Caught in possession of cellular telephones while serving time in the Smith Unit state prison here, three inmates will now be serving additional time behind bars. The three each pleaded guilty in 106th District Court here this past Thursday to separate charges alleging possession of a prohibited item inside a correctional facility. In all three cases, the sentences issued this past week will begin after the inmates complete the prison terms they currently are serving. Philip G. Martinez, age 31, was sentenced to serve five years in prison and pay a $3,000 fine. He was given credit on the sentence for about seven ...