CBS-TV
Telephone student witness:
Perp was former student (about sophomore level). When he attended school, he wore the trenchcoat every day.
[CBS cut the live feed — ]
2nd investigative scene — Galvaston. Explosive devices seem to be found instide a trailer home. State troopers and LEO on scene. Not sure whether/how this may be related to SF HS shooting.
—another— former student.