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cords.
• After the shootings, Eddie Ray Routh, 25, also told his sister and brother-in-law he had "traded his soul for a new truck," according to an Erath County arrest warrant affidavit obtained by WFAA-TV. Police said Routh was driving the truck of victim and ex-Navy SEAL author Chris Kyle at the time of his arrest.
• Routh is charged with one count of capital murder and two counts of murder in the shooting deaths of Kyle, author of the best-selling book "American Sniper," and his friend Chad Littlefield at a shooting range Saturday in Glen Rose. He is on suicide watch in the Erath County Jail, where he's being held on $3 million bail, Sheriff Tommy Bryant said.
• Routh, a member of the Marines Corps Reserve, was first taken to a mental hospital Sept. 2 after he threatened to kill his family and himself, according to police records in Lancaster, where Routh lives. Authorities found Routh walking nearby with no shirt and no shoes, and smelling of alcohol. Routh told authorities he was a Marine veteran who was suffering from post-traumatic stress disorder.
• "Eddie stated he was hurting and that his family does not understand what he has been through," the report says.
• ___

• MEXICO CITY (AP) -- A gas buildup ignited by an electrical spark or other heat source caused the blast that killed 37 people and wounded dozens of others last week at the state oil company's headquarters, Mexico's attorney general said.
• But Attorney-General Jesus Murillo Karam said investigators were still looking for the source of the gas, and revising records of building inspections to determine why Petroleos Mexicanos had not discovered the gas accumulation. As a state company, Pemex is responsible for inspecting its own buildings.
• Murillo said late Monday that an investigation by Mexican, Spanish, U.S. and British experts into the petroleum giant's worst disaster in more than a decade found no evidence of explosives in the Thursday afternoon blast that collapsed several lower floors of the Pemex administrative building.
• He said the investigators believe that an electrical spark or other source of heat had detonated the gas.
• With the exception of three victims, none of those killed had the burn marks or damaged ear drums that are typical evidence of a bombing, he said. Nor was there any sign of a crater or fracturing of the building's steel beams, also common signs of

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