. >> sources tell cbs 2 it was a grandmother of damon nowell's girlfriend that tipped off police. the 21-year-old accused of randomly slashing a 71-year-old as it pulled into the broadway lafayette station in soho monday morning. it is a random act, doesn't make sense. why cut somebody that you don't even know. >> police say nowell showed up banging on her door her grandmother calling police after recognizing the clothing he was wearing, it shows him running from the subway station after he attacked carmen leaving a 4-inch gash on her face. >> he pretended that he fell and he fell on top of me and that's when he slashed my face i didn't know i didn't feel pain or anything. >>> police say nowells was identified in a lineup for the slashing. commuters relieved hearing about the arrest. >> i left two minutes before the guy came and slashed a lady in the face. >> but also weary. >> it is a lot of crazy people in here, they need to have more lot of crazy stuff i see every day. >> of course we are all glad he was caught there are always people doing crazy things seems like lately there

tried to hide inside her home but instead called police and turned him in. >>> 21-year-old damon nowells, the accused slasher in custody a day after he randomly attackedkarmen rivera. >> pretended he fill on top of me and slashed my face. >>> she left with a four inch gash across her cheek requiring 20 stitches. she was sitting on the d train heading into work when police say nowells sat up and suddenly attacked. rivera left in shock. >> i didn't feel no pain or anything. >> witnesses tried to chase him but couldn't keep up. this video showing the suspect before returning out of the station. >>> he just ran, he flew out, he flew! so they couldn't get him. >>> as rivera heals from her injuries she says she has these words. i hope god forgive him and he should repent because it will destroy his life. >> rivera actually went back to work the very next day despite her injuries as for nowells, two charges of assault as well ascriminal trespassing for refusing to leave that home. >>> time for traffic and weather on the 2's. >>> yeah a little bit of rain out there, how about how nice is that, i