Fort Smith/Fayetteville News | 5newsonline KFSM 5NEWS | Get the local news and weather where you live from 5NEWS. Covering Fort Smith, Fayetteville, Bentonville, and all of Northwest Arkansas and the River Valley.

Serial killer documentary | Meet the Casanova Killer called 'more brutal than Bundy'

Paul John Knowles is the “Casanova Killer.” His devilish smirk, charming demeanor and flowing whiskey-colored hair helped mask his deadly secret.