Who Do You Think You Are?

Broadcaster and writer Richard Osman traces his ancestry

Richard Osman delves into his Brighton roots and is astonished to discover how his four-times great grandfather turned amateur sleuth and ended up entangled in one of the city's most notorious murder trials. The quiz show presenter, TV producer and crime writer also investigates his grandfather's army career and learns why it gave him a profound belief in the power of education, which he passed on to his grandson