Looking on the internet deeply has found these results:

someone's trail is the most popular phrase on the web.

someone's trace 1880 results on the web	someone's trail 12,910 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Someone's with Corporal O'Neill at the hospital. Problem... someone's grabbed Aubrey. He must be someone's son, someone's brother, someone's next door neighbour. Shouldn't you be out on the trail, trying to put a bullet in someone's head? Now she's just someone's wife, someone's mom, someone's pet owner. Someone's dropping bread crumbs, leaving a trail to Anh Li's door. Unless someone's offered him a discount. Everyone I've killed was someone's father someone's son someone's brother.

someone's trace

1880 results on the web

someone's trail

12,910 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Someone's with Corporal O'Neill at the hospital.
Problem... someone's grabbed Aubrey.
He must be someone's son, someone's brother, someone's next door neighbour.
Shouldn't you be out on the trail, trying to put a bullet in someone's head?
Now she's just someone's wife, someone's mom, someone's pet owner.
Someone's dropping bread crumbs, leaving a trail to Anh Li's door.
Unless someone's offered him a discount.
Everyone I've killed was someone's father someone's son someone's brother.