A teenage boy led a mob of youthful thugs on a terrifying campaign of three shootings and an arson attack over the course a few weeks, a court has heard.
Harry O'Brien was 16 when he controlled a crew of dealers selling cannabis on the streets of Liverpool, but his enterprise was foiled after a "feud" led to three shootings in three weeks.
One shooting saw bullets fired from an Audi at a BMW as the two cars drove side-by-side at night, leading to a stray bullet going through the front door of an "entirely innocent" family's home.