Police say, Randy Alana and Sandra Coke were in love and had spoken of marriage several times before that fateful day, according to Alana.
The following is a timeline in the disappearance and murder of missing investigator Sandra Coke
Sunday, August 4
Sandra Coke, 50, is last seen at her home in California at 8:30 p.m. According to her daughter, Sandra is headed to the drug store to speak with someone regarding a tip concerning her missing dog. Every thing seemed normal when Coke left her home on Aileen Street. When the single mother does not return, her family files a missing persons report. Family members tell police she was last seen wearing jeans and a black and white shirt. She was driving her 2007 Mini Cooper, according to FOX - 2 KTVU.
Police ask the public to come forward with any information about the disappearance of Sandra Coke.
Sandra Coke's missing 2007 Mini Cooper is found in a parking lot at 800 32nd St.
The family of Sandra Coke canvas the neighborhood for clues into her disappearance. Family members tell the media that it is unlike Coke to disappear without telling someone where she can be located. The police believe the woman is a victim of foul play.
Media outlets report that Sandra Coke dated convicted murderer and sex offender Randy Alana more than 20 years prior.
Cell phone signals lead police to Vacaville park where a woman's body is found in the brush behind a church, according to FOX - 2 KTVU. Police will not confirm if the body is that of the missing federal investigator.
Randy Alana, 56, is questioned by police as a person of interest in Sandra Coke's disappearance. Alana, who is on parole, was arrested for violating an order to stay away from the victim.
The coroner confirms that the dead body found in Vacaville park belongs to Sandra Coke.
Randy Alana is being held at the Santa Rita Jail until his next court appearance on November 1.
Police have not confirmed a cause of death. Alana denies any involvement in her murder and disappearance.