In 2013, there was a death in the US that changed the face of race relations.

African-American teenager Trayvon Martin was followed, and shot dead, for the crime of walking to a local dairy to buy some skittles.

That led to a huge public discussion about racism in the US, and began the ‘Black Lives Matter’ movement.

Then, the fatal shooting of another unarmed black man - Michael Brown - led to days of mass protests in Ferguson.

School worker DeRay Mckesson joined the protests, then soon after quit his job to lead the Black Lives Matter movement.

He joined Jack ahead of his appearance at TedXChristchurch.

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