An Amber alert is an alert sent out by the local authorities in the US to all smartphones (and maybe radio? I'm too young to use a radio often) when a child is

An Amber alert is an alert sent out by the local authorities in the US to all smartphones (and maybe radio? I'm too young to use a radio often) when a child is missing / suspected to be abducted. A Silver alert is very similar and is sent out when an elderly person (esp. with memory issues) is missing.