McALLEN — A 48-year-old Sullivan City man has admitted to threatening to cancel a contract if he did not receive increased monetary payments, announced U.S. Attorney Jennifer B. Lowery.Oscar Salinas aka “Coach” pled guilty March 3.As part of the plea, Salinas admitted he had an agreement with Jacinto Garza, CEO of L&G Engineering. Salinas was to receive payments through his company from L&G.Further, La Joya Independent School District (LJISD) had an insurance contract with Ruth Villareal Insurance. Salinas learned Garza was politically supporting Everardo Villarreal, a candidate for Hidalgo County commissioner and Ruth Villareal’s husband.Salinas threatened to terminate the contract ...