A man was killed in St. Louis, Missouri on Monday morning, police told a local news outlet. Video of the shooting appears to show the man approaching the victim from behind as he sat on a curb before placing the gun to the victim's head.
The broad-daylight shooting took place at around 10 am near Tucker and Lucas street. Police said that the witness told them there was some form of altercation before the shooting took place. The victim was found dead on the street with a bullet wound to his head.
WARNING: Disturbing video.
Police found the suspect entering a library at around 2:40 pm. The identity of the homeless man remains unidentified.