Jan. 15, 1974: Joseph Otero, 38, and his wife, Julie, 34, are strangled in their home along with two of their children, Josephine, 11, and Joseph, 9.
April 4, 1974: Kathryn Bright, 21, stabbed to death in her home.
Jan. 15, 1974: Joseph Otero, 38, and his wife, Julie, 34, are strangled in their home along with two of their children, Josephine, 11, and Joseph, 9.
April 4, 1974: Kathryn Bright, 21, stabbed to death in her home.
October 1974: The Wichita Eagle-Beacon gets a letter taking responsibility for killing the Oteros; it includes crime scene details.
March 17, 1977: Shirley Vian, 24, tied up and strangled at her home.
Dec. 8, 1977: Nancy Fox, 25, tied up and strangled in her home. The killer's voice is captured when he calls a dispatcher to report his own crime.
Jan. 31, 1978: A poem referring to Vian's killing is sent to the Wichita Eagle-Beacon.
Feb. 10, 1978: A letter from BTK is sent to KAKE-TV claiming responsibility for the deaths of Vian and Fox, as well as another unnamed victim. The Wichita police chief announces a serial killer is at large and has threatened to strike again.
April 28, 1979: BTK waits inside a home but leaves before the 63-year-old female resident returns. He later sends her a letter letting her know he was there.
Aug. 15, 1979: Police get tips when TV and radio stations broadcast the voice of the BTK strangler from the 1977 recording.
April 1985: Marine N. Hedge, 53, strangled.
Sept. 16, 1986: Vicki Wegerle, 28, strangled in her home.
February 1991: Delores E. Davis, 62, strangled.
March 19, 2004: A letter arrives at the Wichita Eagle containing a photocopy of Wegerle's driver's license and photos of her body. Police link the letter to BTK.
Feb. 26, 2005: After receiving several more letters, authorities announce the arrest of BTK.
Source: Associated Press