Mark of a Killer - Season 2 - Eps 2: Deadly Summer
In the summer of 1976, the NYPD are chasing a man shooting at couples in parked cars with a gigantic, .44 caliber handgun. He taunts the city with terrifying letters until police get a lead about a suspect who has shot a neighbor’s dog.
About Mark of a Killer

Title: Mark of a Killer
First Air Date: 2019-01-20
Last Air Date: 2022-04-23
Status: Returning Series
Rating: 7.3/10 (from 3 votes)
Language: EN
Seasons: 4
Total Episodes: 34
Network: Unknown
Genres: Documentary, Crime
Production Companies: Unknown
Synopsis
All serial killers commit murder to satisfy their grand fantasies, but the murderers featured in this true-crime docuseries take it one step further, committing heinous acts that allow them to extend their fantasies and relive the excitement of their crimes again and again.