The relatives of killers often bear their own unique burden. Reports include Molly McIntyre, a police officer whose son strangled a woman; Ken and Lois Robison, whose son murdered five people; and David Kaczynski, who turned in his brother Ted, the Unabomber. "48 Hours" correspondents Susan Spencer, Bill Lagattuta, Maureen Maher and Troy Roberts report. This classic "48 Hours" episode last aired on 7/6/1998. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.