Joshua Goldberg, a 20-year-old from Florida, stands accused of inciting others to behave violently - from a computer in his parent’s home, using a string of false identities. We hear from the victim of an online hate campaign that Goldberg appears to have played a key role in.

Also, we meet the woman who started the #IStandWithAhmed campaign to support Ahmed Mohamed, a young Muslim boy arrested in Texas on suspicion of creating a 'hoax bomb'. The device, of course, was a clock, and Ahmed has now won praise from around the world.

(Photo: A young man wearing a hooded top using three different computers. Credit: Shutterstock) Show less