
Legal Concepts and Case Citation
Use of force
The doctrine of qualified immunity
The use of a RIPP restraint in subduing a resisting suspect
Subduing a resisting suspect by a knee to the suspect’s back
Gonzalez v. City of Phoenix (9th Cir. Jan 8, 2026) 163 F.4th 1289
Rule: Once a violent drug-induced subject is subdued, officers must lessen the force being used to the point where the danger to the subject is minimized to the extent possible without losing control of him.Tightening a RIPP restraint beyond what is allowed, particularly when added to an officer kneeling on the subject’s back, has the potential of seriously injuring or killing the subject and generating potential civil liability for the officers involved.
Summary: After pursuing and apprehending Ramon Timothy Lopez, who had taken methamphetamine, and after a foot chase on a hot August day in Phoenix, Arizona, officers of the Phoenix Police Department caught him, pulled him to the ground, and handcuffed him. Because he was still resisting, officers rolled him onto his stomach and – as one officer pressed his knee into Lopez’s back – applied a RIPP restraint,connecting ankle restraints to his handcuffed wrists behind his back, causing Lopez’s body to bend ....