Police charged Jackson A. Cosko, 27, with threats, witness tampering, unauthorized access of a government computer, identity theft, burglary, unlawful entry and publicizing restricted personal information. The charges include both federal and local offenses.
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Senior congressional sources tell Fox News that Cosko most recently worked as a staffer for Rep. Sheila Jackson Lee, D-Texas.
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According to Legistorm, he worked for U.S. Sen. Maggie Hassan (D-NH) and previously worked for Sen. Barbara Boxer (D-CA). A September 2018 letter from Sheila Jackson Lee (D -TX) identifies him as a staffer for her office.
Rep. Sheila Jackson Lee is a member of the U.S. House Judiciary Committee.