Lil Wayne New York Gun Case

NEW YORK - Lil Wayne has a date in a Manhattan courtroom, but DNA science will take center stage.</p> <p>A hearing on a DNA profiling technique used in the rapper's 2007 gun-possession case was due to start Wednesday. It concerns a process used for identifying people from tiny amounts of DNA &mdash; including some that prosecutors say ties the Grammy Award-winner to a gun found on his tour bus after a concert.</p> <p>The 27-year-old has pleaded not guilty. He faces at least 3&frac12; years in prison if convicted.</p> <p>The hearing aims to establish whether what's known as low copy number DNA profiling has general scientific acceptance.</p> <p>Lil Wayne, born Dwayne Carter, won last year's best rap solo performance Grammy for "A Milli." His albums include "Tha Carter," ''Tha Carter II" and "Tha Carter III."</p>