[Firehouse]

Your perception is generally accurate. Hazing is against the law in some states, and hazing is forbidden on all campuses and by all national fraternities. Pike doesn't just pay lip service - they will bounce a chapter for hazing, but they'd rather work with the chapter and get it straightened out instead of kicking them out.
If you think your son is being hazed, then you should report it, but please, report it to Pike national rather than the campus administration or the campus cops. If the university recieves a complaint, then they're bound to act on it and the chapter will be thrown out. You can say, "I don't want to cause trouble, I just want someone to know", but trouble will be caused because the schools are legally bound to do it.
If you call Memphis, the chapter will likely be worked with and disciplined internally, and allowed to continue to operate, perhaps without some members.
Two things to keep in mind:

1) There is a difference between boys roughhousing, and hazing. As a mom, you may not be able to tell the difference, but your son can.

2) Before you take any action, check with your son. Nobody likes a snitch. If there is hazing and it is serious, then it is dangerous and must be reported. If it's just boys "playing grabass" that's something that probably can be handled internally.

If you need to call Pike national, call 901-748-1868. Ask to speak to anyone there. Choose any line.
Pike is a great natinal fraternity, highly respected. Your son is fortunate to be a member.