Maryland 5 hours ago Montgomery County schools to install vape detectors The detectors will go in bathrooms at all county high schools. News4’s Mauricio Casillas reports. Local 2:03 Prince William County police combat auto thefts with high tech help 21:32 Researchers fly into Hurricane Milton: The News4 Rundown 2:57 New details in death of 5-year-old boy 3:27 Survey seeks to uncover white supremacy ties within DC police 3:08 ‘Gave me back a lot of things': How one procedure can ease long-term back pain