Letters identified as coming from '70s serial killer

WICHITA, Kan. (AP) -- Investigators said Thursday that letters sent to police and a television station appear to be the latest communications from a serial killer who resurfaced this year after more than two decades of silence.
Wichita police received a letter earlier this month describing the 1974 strangulation of four family members -- the earliest of eight deaths for which the killer known as the BTK strangler has claimed responsibility.
The FBI has also confirmed that a letter received by Wichita television station KAKE, turned over to police May 5, is an authentic BTK communication, Landwehr said.
The BTK strangler -- the letters stand for "bind, torture, kill" -- terrorized Wichita in the 1970s, bragging about seven slayings in letters to the newspaper and TV stations.
On March 19, a letter from the killer arrived at The Wichita Eagle with information on an eighth unsolved killing in 1986. That letter contained a copy of the victim's driver's license and photos of her slain body.
The letter sent to KAKE last month contained a puzzle and photocopies of employee identification cards for two men.
: a former Southwestern Bell worker and a former employee of the Wichita public school district.
Police think the killer may have used the IDs to gain entry to homes.