The shooter is described by HPD as "a black male in his late 20s to early 30s. He is about 5 feet 11 inches tall and has a muscular build."
An HPD spokesman said Davis, 44, was wearing a dress and a wig when the incident occurred. He has no known address; KPRC has reported he worked as a hooker in the northside neighborhood.
HPD says, "There is no known motive to the shooting."
Anyone with information in this case is urged to contact the HPD Homicide Division at 713-308-3600 or Crime Stoppers at 713-222-TIPS.