police arrest otto coleman on multiple charges, including assault. he's not arrested for drunk driving. however, they discover that the 64-year-old has an extensive criminal record, including a previous attack on a police officer. authorities discover that the good samaritan who came to officer seiter's rescue is 29-year-old angela pierce. pierce is en route to a birthday party when she spots the fight. >> she, obviously, acted out of instinct. what she did, to me was heroic because not many people would get involved. >> since the incident, angela pierce receives a humanitarian award for her bravery and even has a facebook fan page dedicated to her. but her biggest fan remains officer jonathan seiter. >> we have been in contact since and i'm thankful that she was there. my wife is thankful that she was there. i've been blessed to still be here to be talking to you today. >>> coming up -- police find themselves in an explosive situation. >> oh, my god. if there's somebody in that car. >> and later, cops on the highway face a whole different kind of tr