A convicted sex offender who was caught trying to lure an 11-year-old Elma boy was sentenced Monday by a Grays Harbor County judge to life in prison without parole.

Joel Alexander was convicted of attempted child rape. He also was convicted 11 years ago of child rape, so he gets a life sentence under Washington's persistent offender law.

KOMO reports (http://is.gd/uxsran) prosecutors believed he victimized more children in Washington and Oregon.

Alexander's most recent arrest came after the 11-year-old boy's mother called police when Facebook chats took a sexual tone.

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Information from: KOMO-TV, http://www.komotv.com/