11:28 AM PT -- The suspect's name is Mauricio Ortega -- a former executive at a Mexican news organization called "Diario La Prensa."

According to La Prensa, Ortega resigned from his position on March 14th. The paper was unaware of the investigation into Ortega until today. 

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update-grey-gray-barHere is video of the man suspected of stealing Tom Brady's Super Bowl jersey ... according to Ian Rappaport of NFL Network ... and it sure looks like he's got something under his arm.