Who is US teen accused of Wisconsin protest murders?

After a black man was shot seven times in the back by a police officer in Kenosha, Wisconsin, on Sunday, 23 August, people angry about police violence began protesting.

On the third night of demonstrations, a 17-year-old boy allegedly fired on protesters with a military-style semi-automatic rifle, killing two and seriously injuring a third.

On Wednesday he was arrested at his mother's home in Antioch, Illinois, some 30 minutes from Kenosha. A day later he was charged with one count of first-degree intentional homicide and one count of first-degree reckless homicide.

Videos indicate he spent hours on Tuesday apparently helping patrol the streets. He told journalists it was his "job" to guard buildings and even offer medical assistance to protesters.

Here's what we know about the teenager, and his connections to a Donald Trump rally and a Facebook group reported for inciting violence.