Tappajakoirat was released in the year 1972。Tappajakoirat is also called as They Only Kill Their Masters, Tränad att döda?, Spur der schwarzen Bestie, Sólo matan a su dueño, Chi ha ucciso jenny?。

An enigmatic young woman has been murdered in a small California coast town. The investigation by the local sheriff (played by James Garner) uncovers a complex web of relationships centering on the victim; the scattered trail of evidence ranges from a mysterious photograph to the victim's own dog. During the investigation, the sherrif meets and becomes romantically involved with a woman whose connection to the murder is ambiguous.

Tappajakoirat actors and actresses include Edmond O'Brien, Hal Holbrook, James Garner, June Allyson, Peter Lawford。