lauren posen has the story of what happened next. >> we got a target. >> reporter: arman says he got notification at work on monday from a security system that something was going on at his house. >> all i see is a woman it trying to bash our door in. >> reporter: inside his house, his mother lawn and new born baby. as nay look up, they see the massive pick axe about to britain again. it shows the woman continuing to des the huge glass windows on the front of the home. each time the glass shattering louder and louder as they hit the ground. one of those windows is where moments before the attack. he laid in his basinet. if she was five seconds late, my daughter wouldn't be here with us. >> reporter: she does this three different times. >> i'll be back. get out. she came and did their job. >> reporter: a few hours later the woman was arrested. police said she was having a mental health crisis. he doesn't know who the woman is other than she lives across the street from his family. >> i'm assuming if there is a to doing? like that to everyone and not just target us. >> reporter: much l