Prosecutors want Herlin Alvarez held without bond while he awaits trial on charges of killing two motorcyclists when he slammed into them in a pickup more than five years ago.Alvarez, 26, will face a bond hearing before General Sessions Judge Bill Locke on Tuesday at 2 p.m. In the meantime, he is to be held without bond. Alvarez is charged with two counts of leaving the scene of an accident with fatality for the deadly Nashville Highway wreck in 2008 that killed Samantha Roach, 42, and Billy Lynn Bell, 42. The two were on Bell’s motorcycle heading to get an oil change when they were struck by Alvarez’s pickup.