Bufo & Spallanzani (2001)

Seen-it-all New York detective Frank Keller is unsettled - he has done twenty years on the force and could retire, and he hasn't come to terms with his wife leaving him for a colleague. Joining up with an officer from another part of town to investigate a series of murders linked by the lonely hearts columns he finds he is getting seriously and possibly dangerously involved with Helen, one of the main suspects.

Private Investigator Philip Marlowe is hired by wealthy General Sternwood regarding a matter involving his youngest daughter Carmen. Before the complex case is over, Marlowe sees murder, blackmail, deception, and what might be love.

Two veteran New York City detectives work to identify the possible connection between a recent murder and a case they believe they solved years ago; is there a serial killer on the loose, and did they perhaps put the wrong person behind bars?

A private investigator helps a former flame solve the murder of her wealthy grandfather, who lived in a sprawling estate surrounded by his idiosyncratic family.

Wealthy writer Stephen Byrne tries to seduce the family maid, but when she resists, he kills her. Long jealous of his brother John, Stephen does his best to pin the blame for the murder on his sibling. Also affected by Stephen's arrogant dementia is his long-suffering wife Marjorie.

Blank-faced bug killer Bill Lee and his dead-eyed wife, Joan, like to get high on Bill's pest poisons while lounging with Beat poet pals. After meeting the devilish Dr. Benway, Bill gets a drug made from a centipede. Upon indulging, he accidentally kills Joan, takes orders from his typewriter-turned-cockroach, ends up in a constantly mutating Mediterranean city and learns that his hip friends have published his work -- which he doesn't remember writing.

Still recovering from a heart transplant, a retired FBI profiler returns to service when his own blood analysis offers clues to the identity of a serial killer.

Private investigator Matthew Scudder is hired by a drug kingpin to find out who kidnapped and murdered his wife.

Single father and former cop Tom Cutler has an unusual occupation: he cleans up death scenes. But when he's called in to sterilize a wealthy suburban residence after a brutal shooting, Cutler is shocked to learn he may have unknowingly erased crucial evidence, entangling himself in a dirty criminal cover-up.

Tenacious homicide detective Cassie Mayweather and her still-green partner are working a murder case, attempting to profile two malevolently brilliant young men: cold, calculating killers whose dark secrets might explain their crimes.