No, that means these Muslims did it themselves.
If it is pork blood, then ArcLight is correct.
Ahh... now there's something interesting. It it is not pig's blood, but was still done by bigots, is it not still a crime, based on the fact that it was committed of an emotion of hate?... regardless of whether or not it was a true act of desecration.
And if it WAS a performance, by someone wishing to create the notion that 'hateful' bigots are roaming campus with squirt-guns full of pig's blood looking for Muslims, then even if it was truly pig's blood it would not be a hate crime... because there was no real emotion of 'hate' involved.
Do you see the creepy aspect of 'hate' crimes? Under the definition of those advocating 'thought' policing, a Leftists can never be convicted of a 'hate' crime because there own motives are never considered to be hateful - reciprocal, just, impassioned, good-intentioned - but never hateful. Putting condoms in a church offering plate? That's a ideological statement protected by the First Amendment... right?