Americans are weighing in every week on what cops are up to. They've had to, because cameras are everywhere -- in phones, on dashboards and on officers' uniforms.
It feels like every week, a name is added to the list: another man, often black and unarmed, has died at the hands of police.
Freddie Gray was in perfect health until police chased and tackled him in Baltimore over a week ago, his lawyer said. Less than an hour later, he was on his way to a trauma clinic with a spinal injury, where he fell into a coma.
Police shootings stoke controversy as the public dissects the details of each incident and decides whether the use of force was unwarranted or if the officer acted in self-defense in the face of a truly dangerous criminal.
CNN legal analyst Sunny Hostin explains when police officers can use deadly force.
The use of Tasers among law enforcement is a $150 million dollar a year business, but are they effective? CNN's Miguel Marquez reports.