Cookie Molina is a chauffeur and employee of the Poppy Catering escort network. He killed client John Diamond accidentally when he had a heart attack, as Molina believed Diamond was dead and beat the man to disguise his death as a mugging.
Molina takes a plea flea for reduced charges and sentences for murder in exchange for testifying against the network’s founder, Laura Winthrop. (L&O: "By Hooker, By Crook")