Diane Marie Shields: Hitting The Limit Of Available Evidence

BLUF | A key roadblock analysts face in exploring historic cases is hitting the limit of available evidence due to low media coverage. Barring the full release by law enforcement of case files, you’ve likely taken a project as far as it can go.

Source statement: No formal law enforcement or government documents were found to support this analysis. The limited amount of data, gaps in essential information, and sometimes contradictory reporting were contributing factors to a low level of confidence in the analytical findings.

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The Diane Marie Shields case is often mentioned in conjunction with the disappearance of Mary Shotwell Little. Both worked for a time in the same department of C&S Bank, Mitchell Street, Atlanta, Georgia, and had crossover roommates. There were additional reported similarities although they were not as straightforward as the lore alleged. But a key difference lay in their fates: Mary Shotwell Little disappeared on 14 October 1965; Diane Marie Shields was found murdered on 19 May 1967.

The purpose of this analysis was to explore the connection between the two women and to gain an understanding of what happened to Diane Shields. While it successfully added insight to the matter, a full analysis was foiled by gaps in the public record. It is set forth here in order to be improved through the synergistic effort of cold case enthusiasts with the hope it might someday reach the threshold of solvability.

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The Victim

Diane Marie Shields moved to Atlanta, Georgia, from Guntersville, Alabama, in 1965. In the first of several coincidences that tied her to Mary Shotwell Little, a fellow Atlantan who disappeared on 14 October 1965, Diane and Mary held a secretarial desk in common in the personnel office at C&S Bank, Mitchell Street, Atlanta, Georgia. It was not known whether Diane actively sought the position or whether it was offered to her because she was a random suitable candidate. Around October 1966, Diane left the bank “abruptly” (NFI) and went on to work for Associated Industries of Georgia (AIG), the current Georgia Chamber of Commerce.

In another coincidence that tied Diane to Mary’s case, Diane shared an apartment with one or more of Mary’s former roommates, although, again, the circumstances of their acquaintance was not delineated in media accounts. Diane’s roommate situation appeared to span a period from around November 1965 to March 1967. One noteworthy circumstance the women shared was the reported “friction”¹ created when each announced to the roommates news of her respective engagement (NFI). In Diane’s case, the tension appeared to be a factor in Diane moving out and then sharing an apartment with her sister,² Sandra Fleming, whose husband was serving in Vietnam.³

Additional factors that led to a conflation between Mary and Diane’s cases were intrigue surrounding telephone calls made to the women, and the receipt of roses. The latter, in particular, led people to assume a connection. In reality, the details were quite different, beginning with the fact Mary received roses while at C&S; Diane received them after moving on to AIG. Mary knew the identity of the sender, but chose not to share his name. Diane also knew, although the story was less clear. Some sources reported no card was attached to the flowers; another quoted a police officer who stated Diane “pretended” the sender was anonymous.⁴ Some accounts stated the flowers came from a friend; others, that they came from a “babysitting client.”

To add to the confusion, Diane claimed she followed the advice of a friend at AIG, Gene Dyson, who said she should report the roses to the police due to the potential Mary Shotwell Little connection. She later told Gene the police had investigated and found they came from a man who knew her from C&S. The police told her the sender used a false name, and that he had been let go due to “remarks he had made to girls at the bank,”⁵ the truth of which was uncorroborated by media sources. Even after there appeared to be confirmation the roses were an innocuous gesture, Diane prolonged the intrigue, tying their receipt to Mary, and leaving friends the impression she was “very upset” by the delivery.⁶

Likewise, Diane shared with her childhood best friend, Gail Husbands, her fear after receiving “strange phone calls.”⁷ She told Gail they were from a man, but she never shared the content of the calls. Although Diane lived with three roommates, Gail pointed out Diane seemed to receive the calls when she was alone. She confided in Gail her feeling of being followed, but later said both the phone calls and surveillance resolved after moving out of the apartment with the roommates (NFI).

One final circumstance that ostensibly tied the women together was Diane’s insistence that police had asked her to work with them to solve Mary’s disappearance. An account from the Atlanta Journal-Constitution stated, “none of the surviving detectives [knew] of any involvement by Shields in the Little investigation.”⁸ Nevertheless, she talked about Mary so much that associates believed she must have been “involved in some amateur sleuthing.”⁹ She even claimed a connection to the case in a conversation with a service station attendant, who reported, “She said that she was tied up somehow in the Mary Little case and that the police had told her not to give her address or phone number to anybody.”¹⁰ Diane so strongly identified with Mary Shotwell Little that it was difficult to separate genuine connections from what appeared to be a self-created association.

The Crime

Diane left work on Friday, 19 May 1967, at 5:03PM, reportedly with plans to spend the evening with her fiancé, Howard Thomas “Tommy” Antle. Tommy, who worked for an insurance company, called to let Diane know he had a 4PM appointment that would take about an hour, but he would see her later. At 6PM, he called Diane and Sandra’s apartment, but Sandra said Diane had not returned home. Tommy spent the next few hours calling Sandra, driving past Diane’s place of business, and finally going to the apartment to wait. There, he called police stations and hospitals to no avail.

It appeared Tommy’s alarm grew more quickly than Sandra’s, who followed through with a planned date at 9PM despite the fact her sister was now close to four hours overdue. Some of this lack of concern may have come from Sandra’s familiarity with Diane’s nature. Diane tended to take off occasionally without sharing her destination.¹¹ Once, despite having dinner plans with a couple from her hometown of Guntersville, Alabama, and leaving her apartment with the intent of meeting them, Diane changed her mind and spent the evening instead with a male friend. Shortly before becoming engaged, Diane called in sick to work and told Tommy she had “visited a friend in East Point or College Park, but [wouldn’t] tell him who.”¹² In the months leading up to her death, acquaintances called her “uncharacteristically secretive…not showing up for appointments and vanishing for hours without explanation.”¹³ In a coincidence that does mirror Mary Shotwell Little, Diane clearly compartmentalized a part of her personal life, which likely complicated the investigation.

Diane’s body was found at 2:30AM on 20 May 1967. It appeared she was killed at an unknown location, concealed in the trunk of her own car, and then transferred to an area next to East Point Cleaners & Laundry, a coin-operated laundromat in East Point, Georgia, about three and a half miles distant from her College Park apartment. An eyewitness claimed Diane’s car was not in the vicinity at 8PM, but appeared parked next to the cleaners between 8:10PM and 9:30PM. The coroner originally placed her death around midnight, but the time was later revised to around 8PM, possibly as a result of the eyewitness reporting.

Her death was described as “brutal.” Diane died of strangulation by either a Venetian blind cord or telephone wire with pressure “five times the necessary force to produce death” exerted on her throat;¹⁴ the scarf she had been wearing on her head and “paper,” possibly pages from a telephone book, were stuffed down her throat “with enough force to cause death;”¹⁵ she had been struck below her right eye and ear, and had either fallen or else received an additional “severe blow”¹⁶ to the back of her head; her left ear was torn; and she had small scratches¹⁷ on her legs. She wore pantyhose, which were “dirt stained” and/or dusty on the bottoms (her shoes were later found on the rear floorboard of the car).¹⁸ There was no sign of a sexual assault.

The Analysis of Competing Hypotheses

Six¹⁹ hypotheses were Analysis of Competing Hypotheses (ACH)-tested by the analyst, and then run individually by artificial intelligence tools ChatGPT, Claude, and Grok. There was some consensus: opportunistic stranger violence and criminal transaction escalation were virtually eliminated, along with the “Mary Mirror” hypothesis (a copycat offender). But there was less agreement on whether the crime centered on personal/relational elimination; fixation or stalker violence; or situational elimination (witness elimination or problem removal).

In an effort to resolve the disagreement, seven additional sub-hypotheses were tested, these placing more emphasis on the offender:

(1) Affair Partner Hypothesis (Diane was killed by a man with whom she was having an ongoing or recently ended affair—possibly from C&S Bank or Associated Industries—following emotional conflict, rejection, or perceived betrayal.)

(2) Fiancé Rage Hypothesis (Diane was killed by her fiancé during or following an argument, confrontation, or misunderstanding that provoked uncontrolled rage. The act may have been impulsive but followed by a staged or displaced disposal.)

(3) Mary’s Perpetrator Continuity Hypothesis (Diane was killed by the same individual responsible for Mary Shotwell Little’s disappearance—possibly because she had become connected to or aware of elements of the earlier case.)

(4) Information Lure Hypothesis (Diane was killed by a person who deceived her with the promise of information about Mary Shotwell Little or her own “undercover” efforts, gaining her cooperation for a meeting that became fatal.)

(5) Institutional Scandal Hypothesis (Diane was killed by someone associated with C&S Bank or its affiliates because she knew or might have revealed compromising information (e.g., workplace affair, internal misconduct, or financial impropriety.)

(6) Post-employment Contact Hypothesis (Diane’s killer was someone from her current workplace (Associated Industries of Georgia) or its professional orbit who targeted her for personal or situational reasons unrelated to C&S but tied to her new employment context.)

(7) Conflict Escalation with Known Acquaintance Hypothesis (Diane was killed by a male acquaintance (not romantic, not coworker) with whom she had personal tension—possibly a neighbor, acquaintance, or rejected suitor. The encounter escalated into fatal violence during an argument or confrontation.)

Again the results were inconclusive and varied across the models. The analyst found a three-way tie: an affair; an enraged fiancé; or a lure — Diane was enticed to a location by someone who claimed to have information about Mary, which would have appealed to Diane’s aim to resolve Mary’s disappearance. ChatGPT and Claude concurred with the affair hypothesis. Claude put “enraged fiancé” in second place, but ChatGPT found “conflict escalation with known acquaintance.” In contrast, Grok proposed Diane was killed by the same person responsible for Mary’s disappearance. Grok placed the “information lure” hypothesis in second place.

Conclusion

There was loose agreement on some basic facts:

1. Diane was killed by someone she knew.
2. Diane was killed by someone she met with willingly.
3. Diane was killed in a controlled indoor location that allowed for privacy, crime scene cleanup, and transfer into her own vehicle without witnesses.
4. The crime evinced extreme emotional overkill.
5. The crime had overtones of symbolic/sexualized aggression.
6. The weapons appeared improvised, which suggested impulsivity.

Nevertheless, these elements did not offer the diagnostic utility necessary to differentiate between hypotheses. It was a start, but more was needed to bring true clarity to the case.

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Postscript

This work appeared to be the first formal analysis applied to the case posted in the public record. However, there was simply not enough evidence to take it to a conclusion. The Diane Shields murder did not garner the same attention as the Mary Shotwell Little disappearance, so the coverage was uneven and the facts explainable across multiple hypotheses. Barring the release by law enforcement of case files, the analysis hit an immovable wall: the limit of available evidence.

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Footnotes

1. Jessica Noll, 11Alive, “5 Roses, 2 Women,” 11 March 2019, updated 3 June 2019. ↩︎
2. Diane’s sister, Sandra Fleming, appeared to be dating Tommy Moffatt, at the same time her husband was serving in Vietnam. ↩︎
3. Jessica Noll, 11Alive, “5 Roses, 2 Women,” 11 March 2019, updated 3 June 2019. ↩︎
4. Jim Auchmutey, Gerdeen Dyer, and Pat Koester, The Atlanta Journal-Constitution, “What happened to Mary Shotwell Little? (Atlanta’s ‘Black Dahlia’),” 20 March 2004. ↩︎
5. Jessica Noll, 11Alive, “5 Roses, 2 Women,” 11 March 2019, updated 3 June 2019. ↩︎
6. Jim Auchmutey, Gerdeen Dyer, and Pat Koester, The Atlanta Journal-Constitution, “What happened to Mary Shotwell Little? (Atlanta’s ‘Black Dahlia’),” 20 March 2004. ↩︎
7. Jessica Noll, 11Alive, “5 Roses, 2 Women,” 11 March 2019, updated 3 June 2019. ↩︎
8. Jim Auchmutey, Gerdeen Dyer, and Pat Koester, The Atlanta Journal-Constitution, “What happened to Mary Shotwell Little? (Atlanta’s ‘Black Dahlia’),” 20 March 2004. ↩︎
9. Jessica Noll, 11Alive, “5 Roses, 2 Women,” 11 March 2019, updated 3 June 2019. ↩︎
10. Jessica Noll, 11Alive, “5 Roses, 2 Women,” 11 March 2019, updated 3 June 2019. ↩︎
11. Jessica Noll, 11Alive, “5 Roses, 2 Women,” 11 March 2019, updated 3 June 2019. ↩︎
12. Jessica Noll, 11Alive, “5 Roses, 2 Women,” 11 March 2019, updated 3 June 2019.  ↩︎
13. Jim Auchmutey, Gerdeen Dyer, and Pat Koester, The Atlanta Journal-Constitution, “What happened to Mary Shotwell Little? (Atlanta’s ‘Black Dahlia’),” 20 March 2004. ↩︎
14. Keeler McCartney, The Atlanta Journal-Constitution, “Miss Shields Murder Isn’t Close to Solution,” 7 June 1967. ↩︎
15. Keeler McCartney, The Atlanta Journal-Constitution, “Miss Shields Murder Isn’t Close to Solution,” 7 June 1967. ↩︎
16. Mansfield, Ohio, The News Journal, “Rose Slayer Strikes Again,” 21 May 1967. ↩︎
17. The detail regarding scratches on her legs was unusual because she was reportedly wearing pantyhose. If the scratches were fresh, there should have been damage to the hose, but this was not mentioned in reporting. ↩︎
18. Her clothing was intact when her body was found, and her purse was found in the trunk with her. The shoes were the only personal item left in the front of the car. They were not further described. It is possible she took them off to drive. The dirt or dust on the bottoms of her feet was not further characterized or explained. ↩︎
19. Opportunistic stranger violence; criminal transaction escalation; personal/relational elimination; fixation or stalker violence; symbolic/parallel offense “Mary Mirror”; situational elimination (witness elimination or problem removal) ↩︎