( CNN ) -- Investigators involved in the case of serial killing suspect Elias Abuelazam went to Louisville , Kentucky , on Monday to retrieve two of his bags , Michigan police said . Abuelazam is suspected of slashing 18 victims in Michigan , Virginia and Ohio , killing five . He was arrested at Hartsfield Jackson International Airport in Atlanta , Georgia , last week as he was attempting to board a flight to Israel . Abuelazam has agreed to be sent back to Michigan to face charges , but he remains in custody in Atlanta . Michigan authorities have some two weeks to pick him up . As of Monday afternoon , police said they do not know how , or when , Abuelazam will be transported . He traveled last week from Detroit , Michigan , to Louisville , before heading to Atlanta , police said . The airline company misplaced his luggage and the bags never made it to Atlanta , they added . Michigan authorities said they took the two bags back with them . Lt. Steven Sipes of the Michigan police declined to say what was in the luggage , but he added the bags are now part of the department 's investigation . CNN 's Susan Candiotti contributed to this report .
Elias Abuelazam remains in custody in Atlanta , Georgia . Police are working to relocate him to Florida . He is linked to 18 stabbings in Michigan , Virginia and Georgia , prosecutors say .