The Crow’s Vengeance (The Fight or Flight Collection) by Sean P. Gibson

Jacob Klaus is hunting blood.

Having recently escaped prison, he’s made it his mission to kill six people from his past.
But Jacob’s no ordinary killer.
Maybe it was the isolation.
Maybe it was the insanity.
Whichever the case, he grew a bond.
A bond with both raven and crow.
A bond that goes beyond what is natural.
Their eyes are his eyes.
Trees, houses, wherever they perch – whatever they see: he sees.

They can’t hide. They can only run. But he’s chasing, and he won’t stop…