The case will test a key pillar of the Trump administration’s hard-line immigration agenda. The US Supreme Court agreed to hear a dispute over a Trump policy that subjects millions of immigrants in the US illegally to mandatory detention during their deportation proceedings. Key points and original sources are listed below.

• The case will test a key pillar of the Trump administration’s hard-line immigration agenda.S1

• The US Supreme Court agreed to hear a dispute over a Trump policy that subjects millions of immigrants in the US illegally to mandatory detention during their deportation proceedings.S2