Overview

• Muller allegedly threatened the agent's life and family in a voicemail and multiple text messages.
• The threats were made following Hunter Biden's conviction on federal gun charges.
• Muller accused the agent of covering up crimes and claimed retribution if Trump wins re-election.
• He faces charges of interstate threatening communications and retaliation against a federal official.
• If convicted, Muller could face up to 10 years in federal prison.