Investigations

After an explosion at an apartment building in Columbia Heights, the News4 I-Team found missed warnings signs residents say D.C. should have acted on.

Maryland legislators held a hearing on what led to parole agent Davis Martinez’s murder during a home visit in Montgomery County in May. There was no system to check on the welfare agents, and agents testified that no new policies to improve safety have been introduced since the tragedy. 

The resounding verdict came Tuesday in a Maryland machine gun case involving the sitting Frederick County sheriff. A jury acquitted a gun dealer who the feds say got the sheriff to help him obtain machine guns the dealer otherwise couldn’t buy, the News4 I-Team’s Ted Oberg reports. EDITOR’S NOTE (Nov. 12, 2024): Federal charges now have...

The News4 I-Team asked experts on both sides of Project 2025 how the dismantling could affect the D.C. area’s Black middle class.

Virginia first lady Suzanne Youngkin was among many parents who reached out to the News4 I-Team after watching our Fighting Fentanyl series.

A driver was sitting in a parking lot when a Tesla with no one at the wheel crashed into her car. Here’s what the I-Team learned about the Summon self-driving feature.

Teen drug problems are “an equal-opportunity evil” that “can happen to anybody.” Here’s an addiction psychiatrist’s advice on how to help your kids.

“I will never forget my first time doing street outreach. There was a group of maybe 12, 13-year-olds, and they were on the street, and they were cooking up fentanyl,” a nonprofit leader in Montgomery County said

A Montgomery County mother had to shut down her business as she sought drug treatment for her teen son. Others have lost their homes.

A Montgomery County mother found 42 drug treatment programs for her son. Here’s what families can face as they seek care.

The News4 I-Team and Telemundo 44 teamed up to investigate the crisis that has devastated communities in D.C., Maryland and Virginia.

A Northern Virginia family shares their story as families and schools across the D.C. area try to help young people struggling with drug use.

There’s a major shakeup within the Maryland State Police Department almost two weeks after the state agreed to pay millions to settle a Justice Department discrimination investigation. Investigative Reporter Tracee Wilkins explains what’s happening.