Before Tucson Rampage, A Powerful Law Went Unused

NEW YORK, Jan 13 (Reuters Legal) - As evidence mounts that Jared Lee Loughner exhibited disturbing behavior months before the rampage in Tucson, it's increasingly clear that Arizona authorities could legally have detained him for psychiatric evaluation and treatment -- and potentially have been able to avert the tragedy. But officials in other states might not have had that power, a review of state laws on involuntary commitment suggests.