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On October 31st, 1981, police found the bodies of two victims in the Chelsea section of Manhattan.  According to the New York Times, both victims had been severely beaten and shot once in the back of their heads and the apartment ransacked. The victims were Elizabeth Platzman, 20, who was a Smith college student and Ronald Sisman, 39, a photographer. The victims were found at 7:40 p.m. pm on Saturday at Sisman’s third-floor duplex.

Sisman operated two photography businesses out of his home. The apartment’s furniture had been torn most likely by the killer. The police guessed that the killer was looking for something. All identification was removed from the bodies of Sisman and Platzman. 

The Daily News reported the crime as burglary. Although, there were no signs of a break-in, so Sisman may have known the killer. Neighbors recalled seeing the walls splattered with blood

The two victims had only met several weeks ago through Platzman’s cousin. Despite that, Platzman had visited several times since then.

Sisman was connected to the case of Melonie Haller, who starred on “Welcome Back Kotter.” Haller had claimed in 1980 that she had been sexually assaulted by Roy Radin, a producer who Sisman was friendly with. Radin was never charged, but received a $1000 fine and three years probation for illegal possession of a pistol.

Sisman became a subject of the news when Haller claimed he forced her to take narcotics. Sisman claimed he was simply trying to call Haller. 

Police believe that Platzman was just in the wrong place at the wrong time. There have been no arrests made for the murders to this day. The case still remains unsolved. 

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