A Joint Investigation By The Washington County Tennessee Sheriff’s Office And The Homeland Security Investigations Led To The Arrest Of A Johnson City Man Accused Of Downloading And Sharing Child Pornography On The Internet. A Federal Search Warrant Was Executed At Home In The 1200 Block Of Meadowview Avenue. 29 Year Old Shawn M Zona Is Charged With Aggravated Sexual Exploitation Of A Minor. Zona Is Being Held On A $50,000 Dollars Bond. The Investigation Is Ongoing And Additional Charges Are Pending.