Roslyn Falco is the half-sister of notorious serial killer David Berkowitz, also known as the “Son of Sam.” Falco was born to the same mother as Berkowitz, but her father was different from Berkowitz’s biological father.
Little is known about Falco’s life, as she has remained out of the public eye and has not commented on her relationship with Berkowitz.
Berkowitz was active as a serial killer in New York City in the late 1970s, and was arrested in 1977. He was convicted of eight separate shooting attacks and sentenced to multiple terms of life in prison.
Since her brother’s arrest and subsequent imprisonment, Falco has lived a private life and has not made any public statements about her experiences as the sibling of one of America’s most notorious serial killers.
In conclusion, Roslyn Falco is the half-sister of David Berkowitz, but little else is known about her life and experiences.