Mangione marked his 27th birthday with a list of "27 Things I'm Grateful For" that he sent to various people who have been writing to him in jail and that is now circulating online.

Luigi Mangione lists 27 things he's grateful for behind bars ahead of trial for killing UnitedHealthcare's CEO, as court ...

The diary of Luigi Mangione, the suspect in the killing of UnitedHealthcare CEO Brian Thompson, reveals Mangione targeted victim Brian Thompson, according to prosecutors. Mangione is accused of ...