About Us Sansone, Sumner & Lauber focus our law practice on personal injury, including car accidents, medical malpractice, and wrongful death. Our lawyers handle cases in state and federal courts in Missouri and Illinois. Our attorneys, Ben Sansone, Brent Sumner and Gary Lauber, work very closely with our clients throughout their cases. We pride ourselves on communicating closely with clients, and never leaving them alone and guessing what is going on in their cases.