A Florida man is facing a judge after he was fatally attacked with a face-biter. Monday was the start of a trial for a former college student that randomly killed a couple in Florida six years ago, and then chewed on one of the victims' faces. Circuit Judge Sherwood Bauer will decide if Austin Harrouff (25), is sent to prison or to a mental institution for the rest of their life. After pleading not guilty to two counts first-degree murder, Harrouff waived his right to a jury trial and pleaded not guilty by reason for insanity, Harrouff was convicted of…