Your letter is the first to make me tear up. I am so, so, sorry for what you and your daughter so senselessly had to endure,” Mangione wrote in the anonymous mom.

Luigi Mangione pens jailhouse letter after mom’s story of daughter’s healthcare ‘made him tear up’ - Mangione said the letter was the first to make him ‘tear up’ as the mom, only identified as Karen,

Karen, a mother fighting for her daughter's medical care, has vowed to continue her battle against the health care industry in Luigi Mangione's name. After learning about his case, she wrote him a heartfelt letter sharing her struggles with UnitedHealthcare and pledging to work for reform.