Answer:
You might accuse someone living with a stolen identity of being this.
If you happen to wake up at dawn, you'll probably find this covering the lawn.
Come up and we go, Go down and we stay.
I am the enemy of all that is good and right. Five letters--that is the length of my name. Remove the first and evil I remain
I start in little but I end in full, you'll find me in half and complete.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.