TACOMA, Wash. (AP) -- A Washington state corrections officer has been charged with bigamy after Facebook discovered two women were connected to him and suggested they might want to "friend."

Prosecutors in Pierce County say Alan L. O'Neill married a woman in 2001, moved out in 2009, changed his name and remarried without divorcing wife No. 1.

Wife No. 1 found out about Wife No. 2 when Facebook detected their connection to O'Neill and suggested the friendship connection.

The News Tribune (http://is.gd/cRE9Mf ) reports O'Neill was placed on administrative leave after prosecutors charged him Thursday.

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Information from: The News Tribune, http://www.thenewstribune.com