You shouldn't ask someone if they are a school shooter.
James was assigned a new lab partner who died his hair jet black and wore a black trench coat.
James wants to reassure himself his lab partner is friendly.
James asks his lab partner what kind of hobbies he has as an ice breaker.
James asks his lab partner if he would ever consider shooting up the school.
It turns out that James and his lab partner like some of the same bands, and they come to enjoy working together.
James' lab partner is offended and gives him the silent treatment, making lab work very difficult.