Three years ago, during an attempted arrest in a remote Northern Territory community, Aboriginal teenager Kumanjayi Walker was shot and killed.

In a first since the Royal Commission into Aboriginal Deaths in Custody thirty years ago, the police officer who shot him is on trial for murder.

Policeman Zachary Rolfe, who has pleaded not guilty to murder and lesser charges, finally took the stand on Wednesday after weeks of evidence from the prosecution.

What have the jury heard so far?

Plus, what it's like to discover your sexuality in lockdown.

Guests:

Jake Lapham, journalist, ABC News

Jain Moralee, Twenty10

Jenna Clarke, journalist, The Australian