Complex sentence: Mr Bradshaw's son is found to have been embezzeling the company's funds and Mr Bradshaw disowns him, however when his son is involved in an accident he is distraught and realises that his morals had been perhaps too heavy handed in the past.
Split into simpler sentences: Mr Bradshaw's son is found to have been embezzling the company's funds and his father disowns him. However, when his son is later involved in an accident, Mr Bradshaw is distraught and realises that his morals had been perhaps too heavy-handed in the past.