IRVING, Texas—Cowboys owner Jerry Jones said Thursday that one of the reasons he is willing to take another chance on Adam “Pacman” Jones is because he feels partly to blame for the cornerback’s latest trouble.

“Yes, I do take responsibility for the fact that it was my own security that the issue was part of,” Jerry Jones said. “Because it was my guy there that created the problem. ... The way that it was supposed to work in my mind, to some degree, we wouldn’t have had that problem.”

While there was still no confirmation Thursday from the NFL, Jones stood by his announ...

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