captioned by the national captioning institute www.ncicap.org a greenbelt man now facing life in prison after being convicted of murdering a 16- year-old girl over a bottle of tattoo ink. gary nurenberg has the details of what may be the most mindless and outrageous act of violence we ve heard about this year. chambers thought about being a model. look at that face. but in many ways, the 16-year- old was still a little girl who got excited over anyone s birthday. have to have balloons, a card. she was a birthday since then, we don t celebrate birthdays like we did. she met acquaintances at the greenbelt apartments and refused to give estep a bottle of tattoo ink she had. mr. estep pulled out a 380 caliber weapon and shot her in the head. estep said he was nowhere near the crime scene but video from a screens store told the jury a different story. because the surveillance tapes indicate the time, date and proximity to the crime scene, the jury was able to und