Location of the infamous Manson Family murders at 10050 Cielo Drive in Benedict Canyon.

Patricia Krenwinkel, born 1947, is a convicted American mass murderer and former member of the Manson Family.

Patricia Krenwinkel's mugshot following her conviction.

The crime scene at 10050 Cielo Drive, where the murders took place.

A group photo of the Manson Family, including Patricia Krenwinkel.

Patricia Dianne Krenwinkel is a convicted American mass murderer and former member of the Manson Family. She participated in the notorious murders at 10050 Cielo Drive in Benedict Canyon, Los Angeles on August 9, 1969, alongside fellow Manson Family members Tex Watson and Susan Atkins. The victims included pregnant actress Sharon Tate, Jay Sebring, Wojciech Frykowski, Abigail Folger, and Steven Parent. During her time with Manson's group, Krenwinkel went by various aliases, including Big Patty, Yellow, Marnie Reeves and Mary Ann Scott, however, within The Family, she was most commonly known as Katie.