An Israeli border policeman has been arrested on suspicion that he killed a Palestinian teenager named Nadim Nuwara without provocation during protests in May; his commander has also been detained on suspicion of covering up the incident. Police initially denied that they had fired live rounds (as opposed to rubber bullets) at protesters. From Haaretz:
A breakthrough occurred after the Palestinians provided a bullet found in Nuwara's backpack. The bullet prompted investigators to inspect the weapon of one of the policemen, leading to his arrest on suspicion that he had fired live bullets and had lied about his role in the shooting.
Two teenagers were killed during the protests, though Haaretz's report says the officer was only charged for killing Nuwara. From the New York Times:
... video taken from a security camera at a business in Beitunia, a town outside Ramallah, showed that the two youths were knocked down, apparently by gunfire, about an hour apart.
The teenagers were at the site of intermittent clashes between security forces and Palestinians observing Nakba Day, when Palestinians mark Israel’s creation and mourn the expulsion and flight of hundreds of thousands in 1948. The teenagers did not appear to be engaged in violent or provocative behavior at the time they were shot.