Or a social event -- dinner with someone he knew (or parents of someone he knew), a retirement reception for a former professor, 50th wedding anniversary reception for a friend or relative, etc.
If he attended an engagement party for someone, given by the girl's grandparents perhaps, that might have been the kind of thing that could have kicked someone in a vulerable state over into impulsive suicide.
Yes, but he had coats,clothing etc. in the car. And he said he would not be there for the basketball game(middle of the week). Do you think he was planning on a longer trip? To maybe do a work related job for someone, that took him out of state?