Chicago Police-involved Shootings Prompts Fed Investigation

Facebook drone crash prompts safety investigation

Gruesome Discovery Along Oklahoma Highway Prompts Animal Abuse Investigation

Gruesome Discovery in Virginia Driveway Prompts Homicide Investigation

Video of teen's violent encounter with California deputy prompts investigation

Video of teen's arrest prompts 2nd Mesa PD investigation

Corruption Investigation Prompts Portugal's Prime Minister to Resign

109051-mainA near-collision between 2 planes in Austin prompts an FAA investigation - 1breakingnews.com

Video of Teen Being Dragged Out of Car During Traffic Stop Prompts Investigation

Mystery Respiratory Illness In Argentina Prompts Investigation After 3 People Die - 1breakingnews.co

Suspect Arrested After Fire Prompts Bomb Investigation, Evacuations in Colorado

Racially Charged Video of Virginia Students Simulating Sex Acts in Locker Room Prompts Investigation

UFO in China's Skies Prompts Investigation - 14 July 2010

Suspicious Death of Five-Month-Old Baby Prompts Investigation

89-year-old's body found in Tottenham prompts murder investigation

River 'foam party' prompts Russian investigation

UFO In China's Skies Prompts Investigation

Ford Explorer recall prompts Transportation Department investigation - 1breakingnews.com

911 call prompts Hacienda Healthcare pregnancy investigation

Allegations Tennessee Teacher Used Racial Slur in Class Prompts Investigation

Event at Wayne Newton’s property prompts federal investigation