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TAMPA, Fla. -- A documentary about an inmate on Florida's death row says the convicted killer might have been involved in the murder of O.J. Simpson's ex-wife and her friend.

The Investigation Discovery show, "My Brother the Serial Killer," will be broadcast Wednesday.

The film is a look at Glen Rogers, who was convicted by a Florida jury in 1997 for killing a woman.

Rogers was also convicted of murder in California and is a suspect in homicides in several other states.

Rogers met Nicole Brown Simpson in 1994 when he was living in Southern California, his family says in the documentary.

A criminal profiler in the film says he received paintings by Rogers with clues possibly linking him to the murders of Simpson and her friend, Ronald Goldman.