Bryan Kohberger’s bid to reverse guilty plea hangs on a ‘clump of hair’ found in victim’s hand — here’s why it’s ‘grasping at straws’

Bryan Kohberger made a long-shot bid to take his guilty plea back, claiming his lawyers failed to probe "clumps of unknown hair" found in the hands of one of his victim -- but experts say the admitted killer is "grasping at straws."