Thomas Dickey, the criminal defense attorney representing Luigi Mangione, the 26-year-old accused of killing UnitedHealthcare CEO Brian Thompson, spoke with reporters in Altoona, Pa. Photo: Jeff ...

Mangione’s lawyer there, Thomas Dickey, has cautioned against prejudging the case and said that his client would contest his extradition to New York.

The filing is part of an expanded pretrial motion filed by Altoona defense attorney Thomas Dickey. It doubles down on the argument that Mangione, 26, was unlawfully detained, ...