Law & Order Episode 18.09 Executioner

Dr. Mark Burns is found murdered in his hotel room while attending an out-of-town convention. Detectives Lupo and Green learn that Dr. Burns' made a large withdrawal from his bank account moments before he was murdered. Evidence rules out the con artists who scammed Burns as suspects, but a hotel surveillance tape shows a man with a southern accent vehemently knocking on the door looking for a different physician, Dr. Garrison. This finding leads the detectives to believe Dr. Garrison may have been the intended target and his life is still at risk.