Rachel Lerman and Heather Kelly report:
Citizen, a popular app that tracks crimes in cities, offered a $30,000 reward this weekend for information on a man they said was an arson suspect in a Los Angeles wildfire.
Los Angeles law enforcement did briefly detain and question the man, but released him and later charged a different suspect. Citizen took down the post and apologized for the accusation — but only after broadcasting his photo to a reported 861,000 viewers.
Read more on The Washington Post.