Luigi Mangione hearing sealed at defense request as court refuses to explain secrecy

Accused assassin Luigi Mangione was due in a New York City courtroom Wednesday, he came and went, and details remained scant 24 hours later after reporters were told his hearing had been sealed following a request from the defense.

The 28-year-old former Ivy Leaguer is accused of stalking UnitedHealthcare CEO Brian Thompson, 50, and shooting him in the back outside a Manhattan Hilton hotel.

A spokesperson for Mangione's defense declined to discuss the hearing. Manhattan District Attorney...