Yuma Arizona Criminal and Civil Attorney. Over 25 Years in Practice. Extensive, Aggressive Trial and Negotiation Experience. Viet Nam Veteran and Family Man. Attorney, William J. Crimmins, has extensive, aggressive and innovative Criminal Trial and negotiation experience spanning 25 years. Mr Crimmins has handled all types of Felony and Misdemeanor cases as well as dozens of Border Patrol Checkpoint cases. He practices throughout Sourthern Arizona. View our Border Patrol Checkpoint tab for more information. William Crimmins has been practicing Criminal Law in Yuma Arizona for the past 12 years, gaining extensive Jury and Judicial Trial experience. Although Mr. Crimmins practices heavily the Area of Criminal Law, his practice includes Family Law, Adoptions, Bankruptcy, Indian Law and Water Law.