TAMPA, Fla. (AP) — A man was charged Friday with murdering four relatives and a 12-year-old girl with guns, a machete, a screwdriver and other weapons.

Authorities said that they have no motive for the killings but that there had been friction between Dexter Levingston and one of the victims, his great-aunt's 47-year-old husband, Barry Cacciamani.

Levingston, 25, was arrested Oct. 20 and jailed without bail after a standoff at the house he shared with the victims in the Tampa suburb of Seffner. Relatives described Levingston as slightly retarded from childhood meningitis.

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