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A man who employed the Boston marathon bomber, Dzhokhar Tsarnaev, when he was 16 says he was 'a normal kid' and 'didn't seem in any way radical'.

Tsarnaev has been found guilty of all 30 charges that he faced, many of which carry the death penalty.

The jury in Massachusetts will now decide what sentence the 21-year-old will receive.

Three people were killed and more than 260 injured when the bombs exploded at the finish line in April 2013.

George McMasters employed Tsarnaev as a lifeguard when he was 16. He told 5live's Rhod Sharp that he was a normal teenager, 'quiet and well behaved', but that he changed in the year before the bombing.

'He begun to miss shifts, he started to change, a became a little more arrogant'.

This clip is from Up All Night on Thursday 9 April 2015.