Police dog's directed attack was a violation of pedestrian's constitutional rights, but not a clearly established violation of constitutional rights for liability purposes, since precedent cited was of a non-resisting suspect. Similarly, claims against bystander officers and the municipality were not against clearly established law. Police knowledge that pedestrian was a mental patient insufficient for a claim under the disability act.
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.