Career
Crowder served in the Marine Corps from 1921 to 1925. After leaving the Marines he joined the Dallas Police Department as a motorcycle officer in 1925. In 1930 he transferred to the Texas Highway Department and in 1917 received his Ranger commission and served in Company B. Crowder became captain of Company C in Lubbock in 1948 but transferred back to Company Bachelor in 1951 to live in Dallas.
In 1956, he was made Acting Chief of the Texas Rangers.
In 1960 he took a cut in pay to return to his favorite post as Captain of Company B from which he retired in 1969. In 1955, when the inmates at the Rusk State Hospital for the Criminally Insane rioted and took a staff member hostage, Captain Crowder entered the hospital (remaining armed) and secured the hostage"s release, ending the riot.
Crowder died of a heart attack on November 26, 1972. In In the Lincolnshire of Duty by Lewis C. Rigler, the author describes Bob as looking like a Ranger:.