Apparently the judge isn't a scumbag.

https://www.ca5.uscourts.gov/opinion...-20621-CV0.pdf

"For those who worry that qualified immunity can be invoked under
absurd circumstances: Buckle up.
Austin Thompson Hughes is a Good Samaritan. After 2:30 a.m.,
Hughes called 911 to report a pickup truck swerving violently across a four-
lane highway in Houston. While Hughes was on the phone with emergency
dispatchers, the drunk driver crashed. Still on the phone with 911, Hughes
pulled behind the drunk driver and effectuated a citizen’s arrest in
accordance with Texas law. But when police officers arrived at the scene,

they let the drunk driver go and then arrested Good Samaritan Hughes.
(Seriously.) Piling insanity on irrationality, the officers then charged Hughes
with a felony for impersonating a peace officer. Hughes spent thousands of
dollars defending against the frivolous criminal charges before the City of
Houston dropped them. Then Hughes brought this § 1983 suit against the
two officers who victimized him. The district court denied qualified
immunity. We affirm. (Obviously.)"