NEW ORLEANS (AP) — A federal grand jury in New Orleans has indicted a former BP engineer on charges he deleted about 300 text messages that indicated the company's blown-out Macondo well was spewing far more crude than BP was telling the public after the 2010 oil spill in the Gulf of Mexico.Wednesday's indictment charges Kurt Mix, of Katy, Texas, with two counts of obstruction of justice. Court records show Mix is scheduled to be arraigned Thursday in New Orleans.Mix was arrested in Texas on April 24 and freed on bond.The criminal charges against Mix are the first in the Justice Department's probe of the April 2010 rig explosion that killed 11 workers and spawned the nation's worst offshore oil spill.