A man who posed as a government worker to steal from a 91-year-old Greenwood woman was arrested Tuesday for aggravated burglary. 28-year-old Trenton Stewart of Dallas was in the Caddo Correctional Center on charges filed by Shreveport Police when Caddo Sheriff`s Detective Terry Richardson arrested him. Stewart us also facing criminal charges in Dallas County and Bossier City. The elderly Caddo victim was alone in her rural home September 11 when a white male wearing a khaki shirt and pants knocked on her door to tell her about a government-assistance program to help elderly residents pay their heating bills. The man then entered her residence without an invitation and began measuring the back rooms of the house with a tape measure. Afterward, he hurriedly got into a black car driven by a second suspect and left. Later, the woman discovered cash missing from her residence.