It's good to report things to security.
Amy is at the airport and sees somebody leave a backpack unattended.
Amy wants to do something about the backpack.
Amy knows that unattended packages are a danger in airports so immediately tells someone with a uniform.
Amy walks up to the backpack and takes it and then checks what is inside.
Security is able to respond to the backpack to take care of it safely and Amy feels good about reporting it.
Amy is later arrested for stealing when the person who lost the backpack reports it stolen and police review CCTV footage.