 In April 2006, she became the Commander at the Office of Homeland Security and Counter-terrorism, Office of the Chief of Police in MPDC, overseeing, among other things, the bomb squad and the emergency response team.Lanier was criticized in July 2009 after claiming that motorists who used GPS navigation and smartphones to avoid traffic cameras were employing a "cowardly tactic".Lanier has defended the practice of arresting individuals reselling tickets to sporting events, even if the tickets were sold at face value.