Hilltop residents question why they didn't know sex offender lived there

Kristopher T. Amos spent much of his summer a free man, despite being a suspect in a June stabbing that eventually killed a woman this week. Amos, a 29-year-old registered sex offender, was arrested by Columbus police Wednesday morning, just hours after Candy Arthurs succumbed to the knife wound that police say Amos inflicted. But the timing of Arthurs' death and Amos' arrest — both occurring 41 days after the June 23 attack — is a coincidence, according to Sgt. Rich Weiner, spokesma