"The defendants would say what you're doing is holding us responsible for some madman, " said liability law expert Victor Schwartz.

CNN: Lawsuits likely after WTC attacks

"At this point he can answer tort questions that lawyers may not be able to answer, " says Victor Schwartz, general counsel for the American Tort Reform Association.

FORBES: Marlboro Man

"There are no precedents in law dealing with a tragedy of this type where somebody intentionally caused the death of 5, 000 people and you sue somebody else to blame them for that murder, that is new, " said Victor Schwartz, a trial attorney.

CNN: Trial lawyers urge restraint after N.Y. calamity