Captain Stottlemeyer and Randy Disher are unable to help with the pizza boy's murder because they are roped into a high-priority investigation: the disappearance of Superior Court Judge Jillian Garr. Because the police are distracted, Natalie decides to investigate Julio’s murder on her own, visiting his workplace and tracking down leads. The Investigation from Bed
Despite being bedridden, Monk eventually pieces the clues together from his room: Watch Monk S04E 03 1
The murderer is Dennis, a lawyer who was having an affair with Judge Garr. He killed the judge in his bathroom just as Julio arrived to deliver a pizza. To silence the witness, Dennis killed Julio, stole his uniform, and completed one last delivery to create a false timeline. The Climax Captain Stottlemeyer and Randy Disher are unable to