According to the Philadelphia Department of Health, H.R. McMaster Sr., the father of Gen. H.R. McMaster, died on April 13 at the Cathedral Village Retirement Community in Philadelphia. The health department confirms he died of blunt impact trauma to the head and the manner of death was determined to be an accident.
Q said H.R. McMaster Sr. was killed because his son, General McMaster, failed to retain his position as Trump's National Security Advisor (drop 1176).