When police miss red flags, domestic abuse victims pay a deadly price

Red flags captured the attention of lawmakers in Washington, but they can only help save lives if police, prosecutors and judges know how to act on them

Editor's note: This story was produced by the non-profit newsroom Reveal from The Center for Investigative Reporting. Get its investigations emailed directly to you.

One day after Mariah Carpenter was gunned down by her ex-boyfriend, her mother met local police at a storage unit in Columbus, Ohio, belonging to the killer. They rolled up the door and made a shocking discovery: there, among dozens of pairs of new Air Jordan sneakers, were at least 20 guns, including assault rifles.