Michael Rivera. DOB: 06/25/1962. Date of incident: Jan. 30, 1986. Location: Lauderdale Lakes, Broward County. Date of sentencing: May 1, 1987. Victim: Staci Jazvac, 11. Description: Jazvac disappeared from her Lauderdale Lakes home and was likely strangled that day or soon after, according to trial testimony. Her body was found two weeks later in a field in Coral Springs. When detectives questioned Rivera before the body was found, he admitted to strangling and nearly killing another young girl in Coral Springs. Two cellmates testified that Rivera admitted killing Jazvac.