The subway rampage, taking him into custody in the middle of the day on a busy manhattan street. oh, my god, y all, they caught him. reporter: authorities say someone had called in a tip to the crime stoppers hotline, saying their spectas east village. and tonight, abc news has learned that remarkably, police believe that call may have come from the suspect himself. i think you re looking for me, said the man on the line. i m seeing my picture all over the news and i ll be around this mcdonalds. in the moments before his arrest, bystanders taking these pictures of frank james wandering around the area. zach dahhan, who was in a store nearby, spotted james and flagged down police. i seen the police walking from over there, i told the police, this is the guy. he did the problem in brooklyn. this guy. catch him, guys, catch him. and they catch him. thank god, we catch him. reporter: within minutes, mayor eric adams breaking the news to the city.