ANCHORAGE, Alaska — Investigators say a man found dead of an apparent suicide in an Alaska jail was not only suspected of killing an Anchorage barista but may be linked to seven other possible slayings around the country.

Israel Keyes, who had also confessed to killing a Vermont couple, was found dead in his cell Sunday, authorities said at a news conference that included U.S. Attorney Karen Loeffler, the FBI, and Anchorage police.

Keyes was facing a March trial in Anchorage federal court for the murder of 18-year-old Samantha Koenig, who was abducted from a coffee kiosk in the city last February. He was later arrested in Texas after using the victim's debit card.