as sergeant grizwald approaches this man, watch what he does. he tries to leap over that wall.-foot drop down the wall. it's a suicide attempt. >> i guess i was at the right place in the right time. i grabbed him by the legs and pulled him back over. >> he just randomly came across

as sergeant grizwald approaches this man, watch what he does. he tries to leap over that wall. that's 60-foot drop down the wall. it's a suicide attempt. >> i guess i was at the right place in the right time. i grabbed him by the legs and pulled him back over. >> he just randomly came across this vehicle? >> as he is on the way to the disabled vehicle call, he got another car saying they believe the man is suicidal. but as he arrives, you see him grabbing his legs he could have killed himself and another car full of people. >> i didn't give it a great deal of thought. i was thankful hi a chance to help somebody out who needed help. it worked out great. >> the sergeant told reporters he sensed relief in this man that, this man was grateful for being saved and he is now being treated. >> the videos i have are nothing short of shocking. this first video is surveillance from the streets of colombia. pay attention to this truck driving up the street. >> what? >> my goodness. >> it explodes in the middle of its drive. it ends up hitting that tree and stops completely and just a few s