Judge orders mental evaluation for Cobb murder suspect

Marty Cobb (Source: victim's family)
Marty Cobb (Source: victim's family)

RICHMOND, VA (WWBT) - A judge has ordered a mental evaluation for the suspect accused of killing an 8-year-old boy who was trying to protect his sister from an alleged sexual assault.

Mairese Washington is accused of murdering 8-year-old Marty Cobb and strangling his 12-year-old sister on May 1.

Washington underwent a competency evaluation for juvenile court, but a defense attorney believes Washington's mental state will be a significant part of his defense. A judge ordered a mental evaluation for Washington on Thursday.

Click here for full #PrayersForMarty coverage: http://nbc12.com/marty

Copyright 2014 WWBT NBC12. All rights reserved.