After serving in the Army in World War II and studying at the University of Birmingham, McGivern returned to the US and worked for two years as a police reporter for the "Philadelphia Bulletin" and later as a writer for "The Evening Bulletin".
After serving in the Army in World War II and studying at the University of Birmingham in England, McGivern returned to the US. He worked for two years as a police reporter for the "Philadelphia Bulletin" and later as a writer for "The Evening Bulletin".