PLEASANTON -- Citing a "lack of sufficient evidence," the Alameda County District Attorney's Office announced Friday that it will not pursue criminal charges in an attack against a 51-year-old Pleasanton man last September that left him in a coma.

David Lamont was found shortly after midnight on September 21 after he went to investigate loud noises coming from a field near his home at the end of Middleton Place. Police said Lamont was involved in an argument with a group of teenagers who had congregated in the field; when his wife went outside to check on him, she found him on the ground, severely beaten, breathing but unconscious.

He sustained serious head injuries and was taken to Eden Medical Center, where he was placed in a medically induced coma. The father of two could not speak for at least three months as he lay connected to a ventilator and feeding tube.

Police interviewed four teenagers as persons of interest -- all were at the scene Sept. 20 -- but did not make any arrests. The case was put on hold until Lamont had recovered enough to be interviewed.

A statement from Pleasanton police said that prosecutors cited "lack of sufficient evidence to conclude a public offense was committed" in choosing not to file charges. A spokeswoman for the District Attorney's Office declined to comment further on the case.


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Reached Friday, Lamont said the "decision is not ours," but declined to elaborate. He said the family was grateful for the outpouring of support and was "focused on healing."

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