AUSTIN -- A man is charged with stalking for a second time after allegedly sending unwanted messages to Yahoo! CEO Marissa Mayer.
Austin police said Gregory Calvin King was arrested in Travis County on Thursday .
Investigators said King sent Mayer unwanted and "sexually graphic" emails from various locations in Austin. Officers believe between Feb. 15 and March 5, King sent 60 messages to Mayer. Police said Yahoo! security personnel had been watching King and have observed him sending some of the messages.
Police said sending those messages to Mayer was a violation of his probation. He spent a year in federal prison in Beaumont after he was convicted of stalking Mayer when she was CEO of Google. A San Francisco grand jury found he sent her more than 20,000 explicit Twitter messages in 2011.
The detective in charge of the case said King admitted sending the emails. King is charged with stalking with a previous conviction. Online jail records show he is in the Travis County Jail on a $100,000 bond.