Give yourself up to
Definition 1 of 3
Pro Tip 1/3Law Enforcement
Used when someone stops hiding from the police and admits guilt. 
The fugitive gave himself up to the authorities after a week on the run.
Pro Tip 2/3End of Resistance
Shows one has stopped trying to avoid inevitable capture or defeat. 
After hours of negotiation, the suspect decided to give himself up.
Pro Tip 3/3Voluntary Action
Emphasizes the choice to surrender without being directly forced. 
Realizing the evidence against him was overwhelming, he voluntarily gave himself up to the police.