One of the friends hid the gun in his home, but later called police to report the shooting. The weapon has been recovered.
Gutierrez, 19, suffered a gunshot wound to the head and was transported to a Ben Taub Hospital. Police say she later died at the hospital.
Anyone with information about this case is urged to contact the HPD Homicide Division at 713-308-3600 or Crime Stoppers at 713-222-TIPS.