Complex sentence: After law enforcement authorities had twice caught Hendrix joyriding in stolen cars, having been given a choice between spending time in prison or serving in the US military: he chose the latter and enlisted in the Army in May 1961.
Split into simpler sentences: After law enforcement authorities had twice caught Hendrix joyriding in stolen cars, having been given a choice between spending time in prison or serving in the US military. He chose the latter and enlisted in the Army in May 1961.