revision preference src: Sheriff Harry S. Truman investigates Palmer's murder in conjunction with Dale Cooper, an eccentric FBI agent. As Cooper settles into his life in Twin Peaks, he meets the town's residents, who each prove bizarre and quirky in their respective ways. <SEP> tgt: Sheriff Harry S. Truman investigates Palmer's murder in conjunction with Dale Cooper, an eccentric FBI agent. As agent settles into Dale Cooper's life in Twin Peaks, he meets the town's residents, who each prove bizarre and quirky in their respective ways.