owed his father cash and the night halee died, he sent a text to his son. got the money yet? >> we know he left $210 for his dad the next morning. >> one of the things that seem somewhat weak matas the motive. we are talking a couple hundred dollars? to just kill somebody? >> i have prosecuted cases where someone was killed for less than they. >> it seems like a leap from forging checks to cold-blooded murder. >> it's not the usual situation. >> it was not the usual situation because it did not happen. that is what i say is defense attorney said. he argued the prosecution had been fixated on isaiah from the start and build a case out of gases and nothing more. >> no physical evidence. they had no gun. they had no bullet or casing. >> the blue towel investigators found at the crime scene?