(USA Today) -- The wife of a former Texas justice of the peace has been arrested on capital murder charges in the killings of of the Kaufman County district attorney, his wife and a second prosecutor, The Dallas Morning News reports.

Kim Williams, 46, is the wife Eric Williams, the ousted justice of the peace who had been convicted by the two slain prosecutors in 2012 on charges of theft of public property.

She was being held at the Kaufman County Jail on a $10 million bond.

Eric Williams was arrested last week on charges of making a terrorist threats and is being held on $3 million bond.

Mike McLelland, 63, and his wife Cynthia, 65, were killed at their home March 30 almost exactly one month after assistant District Attorney Mark Hasse, 57, was shot and killed near the Kaufman County courthouse.

The newspaper says law enforcement officials expect charges will also be filed against Eric Williams, who has maintained his innocence of the killings.

Authorities also searched a storage locker belonging to Williams and recovered at least 20 weapons and a white Ford similar to one reportedly shown on surveillance video the night of one of the McLelland killings.

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