Tuesday, March 25, 2008 – David Ramos Arenas Turned himself in at Police headquarters, Tuesday afternoon. Ramos was booked and sent to the Dona Ana County Detention Center. Police say Arenas posed as a Border Patrol Agent, when he stopped a car driven by an employee at the D.A.'s office. He's also wanted for kidnapping and criminal sexual penetration in Otero County, while posing as a Border Patrol Agent. Arenas is also a former Border Patrol trainee.