A Massachusetts homeless man who was helped by a stranger who won a $200 lottery prize has been arrested on a charge of failing to register as a sex offender.

New Bedford police tell The Standard-Times (http://bit.ly/213cTLz) that 59-year-old Glenn Williams was arrested Thursday.

Single mother Sofia Andrade picked up Williams on Sunday and used her lottery winnings to pay for him to stay in a motel on one of the coldest nights of the year.

Detective Capt. Steven Vicente says Williams is a Level II sex offender. He was charged in 1994 with indecent assault on a child under 14.

Williams said in a statement that the assault allegation was a lie, but his public defender recommended he take a plea bargain. He says the accusation ruined his life.

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Information from: The (New Bedford, Mass.) Standard-Times, http://www.southcoasttoday.com