Scott DeFoe

A professional bank robbery leads to the death of a detective. While investigating the case, Grissom deals with his hearing loss and another CSI gets a personal revelation. (TV-14)

It's the middle of the night at the estate of eccentric record producer Ian Blackburn. Blackburn is in his home studio, working on some songs for his pop superstar wife, Chloe (Carmen Electra). An alarm goes off, and Blackburn grabs his pet chimpanzee, Darwin, and runs to his fortified panic room where, moments later, police arrive on the scene and blast their way in. They enter to discover an incredibly bizarre tableau: Blackburn shot dead with Darwin the chimp standing over him, covered in blood and holding a revolver. Stottlemeyer and Disher reluctantly hold Darwin as the prime suspect, but they quickly enlist the help of Monk to determine the guilt or innocence of this most unlikely simian suspect.

A routine traffic stop turns into a wild police chase through the streets of a Las Vegas Latino ghetto. When all is finished, the crime scene stretches for miles, and our CSIs face an avalanche of ballistic evidence in order to find the real killer of a police officer who died on the scene, whom Grissom fears may have been the victim of "friendly fire" and not the men drug criminals they were chasing.

The CSI team investigates the murder of a blackjack dealer whose estranged husband has ties to a club of UFO believers. The CSIs discover that several suspects in a woman's murder are members of a bizarre UFO club who believe that shape-shifting reptile-like aliens have mated with humans for centuries as a means of conquering the human race. (TV-PG)

When a wild police chase of drug smugglers through the streets of Vegas leaves a fellow officer killed, our CSIs find evidence that points to Sofia as the shooter who may have accidentally shot and fatally wounded another office, not a criminal.