Depending on the law in your particular state, it may be illegal to use. In NJ, hollow point ammo is illegal.
Thats a common misconception. It is not ilegal to buy or shoot HP's in NJ. Link to NJSP http://www.state.nj.us/njsp/about/fire_hollow.html
It is ilegal to use a HP for a ilegal purpose. If a BG was to rob a store with HP's in the gun than he would be guilty of an additional charge.
Concentrated power is not rendered harmless by the good intentions of those who create it.
"If you find yourself in a fair fight,,,
Your tactics suck"- Unknown