Samuel Little, the inmate who claims to have killed more than 90 women across the country, is now considered to be the deadliest serial killer in U.S. history. Here's a look at some other infamous serial murderers in the U.S. since 1970.
1974-1991: Dennis Rader
1975-1998: Robert L. Yates Jr.
1976-1977: David Berkowitz
1976-1986: Joseph James DeAngelo
1977-1978: Angelo Buono Jr. and Kenneth A. Bianchi