Who is Lt. Jesse Breeze from The High Window and what is their importance?

Lt. Jesse Breeze is a homicide detective. He becomes involved with Marlowe's case while investigating the murder of George Phillips. Breeze believes that Marlowe is withholding information about the case, and he tries to intimidate him into telling who his client is. Breeze is described as a large man with a calm demeanor and careful habits. Marlowe considers Breeze dangerous, and he shows himself to be Marlowe's most formidable opponent.