i think that someone was there pretending they were knocking on the door or fumbling for keys. >> reporter: so denita probably would have had to walk right past the shooter? >> probably good morning, how are you, then turn and go down the steps. >> reporter: bang. >> and that's it. >> reporter: denita murdered. executed in broad daylight. it made no sense. her bff edythe says denita simply didn't have any enemies. >> denita was a light in this dark world. she had a beautiful spirit. she was loving. she was kind. she was supportive. she embodied everything that was positive and about supporting people. >> reporter: there was no one who didn't like her? >> right. she was well respected and well loved. >> reporter: especially by her fiancé, jermeir stroud, who appeared devastated by denita's death.