(Corvallis, OR)  --  Court records are shedding new light on a former Oregon State University student accused of threatening the school.  Court records show that Christopher Strahan made a similar shooting threat last year and was sentenced to 20 days in jail and three years on probation.  Now he's pleading not guilty to the new charges of disorderly conduct and menacing after being arrested on Tuesday.  Strahan is in the Benton County jail on 100-thousand-dollars bail.