Best Crime Movies of 1970

Martha Beck, an obese nurse who is desperately lonely, joins a "correspondence club" and finds a romantic pen pal in Ray Fernandez. Martha falls hard for Ray, and is intent on sticking with him even when she discovers he's a con man who seduces lonely single women, kills them and then takes their money. She poses as Ray's sister and joins Ray on a wild killing spree, fueled by her lingering concern that Ray will leave her for one of his marks.

Bill, a wealthy businessman, confronts his junkie daughter's drug-dealing boyfriend; in the ensuing argument, Bill kills him. Panic-stricken, he wanders the streets and eventually stops at a bar. There he runs into a drunken factory worker named Joe, who hates hippies, blacks, and anyone who is "different", and would like to kill one himself. The two start talking, and Bill reveals his secret to Joe. Complications ensue.

A traveling sideshow called the Cavalcade of Perversion draws in and terrorizes unsuspecting spectators. The leader of the troupe of misfits is Lady Divine, who goes out for blood after discovering her lover's affair.

Harlem's African-American population is being ripped off by the Rev. Deke O'Malley, who dishonestly claims that small donations will secure parcels of land in Africa. When New York City police officers Gravedigger Jones and Coffin Ed Johnson look into O'Malley's scam, they learn that the cash is being smuggled inside a bale of cotton. However, the police, O'Malley, and lots of others find themselves scrambling when the money goes missing.

A federal agent attempts to make some real money before the alcohol ban is lifted so he sets his sights on the whiskey cache of an old army buddy.

A wealthy, fatherless British clan kidnaps bums and hippies and forces them to participate in an elaborate role-playing game in which they are the perfect family; those who refuse or attempt escape are ritualistically murdered.

A young woman's highly ordered and structured life is turned upside-down when she meets a handsome stranger at a party. Friendship soon develops into romance and for the first time in her life she is truly happy. This happiness is short lived, however, as little by little she discovers her partner has been lying to her about his past. It is soon revealed that he and his friends have been planning to rob the auction house that she works for and they require her inside knowledge in order to pull off the crime.

An opportunistic young man working as a servant to a European countess uses his sexual talents to better his station in life.

A dying man frames himself for murder so his widow can collect the reward.