The Tate–LaBianca murders were a series of murders perpetrated by members of the Manson Family during August 8–10, 1969, in Los Angeles, California, United States, under the direction of Tex Watson and Charles Manson. The perpetrators killed five people on the night of August 8–9: pregnant actress Sharon Tate (whose unborn child died as a result) and her companions Jay Sebring, Abigail Folger, Wojciech Frykowski, and Steven Parent. The following evening, the Family also murdered supermarket executive Leno LaBianca and his wife Rosemary, at their home in the Los Feliz section of Los Angeles.
On the night of August 8–9, four members of the Manson Family: Watson, Susan Atkins, Patricia Krenwinkel, and Linda Kasabian, drove from Spahn Ranch to 10050 Cielo Drive in Benedict Canyon, the home of Sharon Tate and her husband, film director Roman Polanski. The group murdered Tate, who was 8½ months pregnant; guests Jay Sebring, a celebrity hairdresser; Abigail Folger, a coffee heiress; her boyfriend Wojciech Frykowski, an aspiring screenwriter; and Steven Parent, an 18-year-old visitor. Polanski was working in Europe on a film. Manson was a cult leader and aspiring musician who had tried to get a contract with record producer Terry Melcher, who had previously rented the house.
The following night, those four women, in addition to Manson, Leslie Van Houten and Steve "Clem" Grogan, committed two more murders. Manson had allegedly said he would "show them how to do it".: 176–184, 258–269 After they considered various options,: 258–269 Kasabian drove the group to 3301 Waverly Drive in the Los Feliz neighborhood, the home of the LaBiancas.: 22–25, 42–48 Manson left with Atkins, Grogan, and Kasabian. Watson, Krenwinkel, and Van Houten killed the couple in the early morning hours of August 10.