-LRB- CNN -RRB- Feidin Santana, the man who recorded a South Carolina police officer fatally shooting a fleeing, unarmed man, told CNN on Thursday night he was told by another cop to stop using his phone to capture the incident. One of the officers told me to stop, but it was because I -LRB- said -RRB- to them that what they did it was an abuse and I witnessed everything, he told CNN's Anderson Cooper 360 ˚. Santana told Cooper an officer told him to wait where he was but eventually he left the scene to go to work. In other interviews, Santana has said he feared for his life, which almost kept him from revealing the recording. Santana recalled the moments when he recorded a roughly three-minute video of North Charleston Police officer Michael Slager shooting Walter Scott as Scott was running away Saturday. That evidence led to the officer's firing and arrest on a murder charge. Santana said when he first came on the scene while walking to his job he saw Slager on top of Scott, who was on the ground. He could hear the sound of a Taser in use. At no time did Santana see Scott go after the Taser. He believes Scott was trying to get away. Mr. Scott never tried to fight, Santana told CNN. Police said Slager used a Taser against Scott, but Slager would also later tell a dispatcher that Scott at some point had grabbed the Taser. After Slager shot Scott five times, the officer