>> when police arrested maurice wallace, they found olamide's keys in his possession, which was a bigiveaway at that point. >> wallace wasn't driving olamide's car. he was driving a rental car instead. >> there was a gas can that was located in his rental vehicle. we suspected it may have been used to start this fire. >> wallace denied any involvement in olamide's murder. >> i've got to go ahead and read you a couple of things. i'm sure you've, you know -- >> where is my attorney? why am i here without an attorney? you're going to ask me some questions. nine times out of ten, whatever i answer's going to be used against me, so i want an attorney. >> when police left the room, wallace was alone. unaware he was being recorded, he made what looked like a speech to himself. >> any sort of insurgency or revolution, you just don't go at the oppressor, you go at the people who helped the oppressor, people who aid and abet you. send a message that if you cooperate with these people, they're going to whack you. >> this revealed the potential motive for olamide's murder. >> we think he may have