1 year later: A look back at the Oroville Dam spillway crisis

What started as a small hole on the Oroville Dam main spillway led to massive erosion and a potentially catastrophic event as more than 180,000 people were evacuated near Lake Oroville and downstream along the Feather River in February 2017. It's been a year since that hole was first spotted, so take a look at the controversy and troubles that have followed over the last 12 months surrounding the spillways and the Department of Water Resources.