The first one was arrested for questioning because he refused to talk to the police when they first attempted to communicate. He was subsequently released - he never went to jail.
> "A trio of Snapchat pranksters aged between 18 and 19 are now having to be protected by police after enraging people with their sick reenactment of the death of George Floyd"
It's called protective custody. It's for their own safety.
The first one was arrested for questioning because he refused to talk to the police when they first attempted to communicate. He was subsequently released - he never went to jail.