Article continues below advertisementWhile Tyler Robinson's defense team claims the bullet that killed Charlie Kirk last fall may not match the rifle allegedly used by the suspect, a legal expert predicted he likely won't be acquitted for this reason. In an interview published on Wednesday, April 1, former federal prosecutor Neama Rahmani explained that inconclusive ballistics reports are not atypical."It happens all the time," he said, pointing out that certain pieces of evidence can break down over time, making it challenging to determine whether it's connected to a case.