Zen, or the Skill to Catch a Killer

S1, E3: Ben Horne's brother, Jerry, arrives in Twin Peaks. He and Donna decide to be together. Ben and Jerry travel to One Eyed Jacks and meet with it's madam, Blackie O'Reilly. Audrey leaves a clue for Cooper. Deputy Hawk finds a bloody towel near the crime scene. Cooper demonstrates a unique deductive technique. The cynical Special Agent Albert Rosenfield arrives to examine the body of Laura Palmer. Josie discovers Catherine has been keeping two ledgers. Leo takes his anger out on Shelly. Agent Cooper has a mysterious dream about the crime.