St. Petersburg Police say Rush died early Thursday morning after an altercation and shooting in the 1000 block of 15th Ave S.
Neighbors who heard the altercation and gunshot called police that morning. The 27-year-old woman was found in the backyard with a gunshot wound.
St. Pete police arrested Marco Nicholas Murray, 37, and charged him with second-degree murder and felon in possession of a firearm for the shooting death of Christina Veronica Rush.
Detectives say the 27-year-old woman was found just before 1:00 a.m. in the 1000 block of 15th Avenue S.