Cross My Heart (A spicy suspense romance)

Suspense/Romance.
Rachael Sinclair is a half Native American (Lakota) Police officer with Red Ridge PD in a tiny town in Montana with a new identity because her father was the nation's first native American serial killer.
She is 30 years old and because of the disappearance of her mother, the abuse suffered by her father and the things she was subjected to seeing in his cellar, and testifying against him at his trial, Rachael has become a depressed alcoholic, attempting to self-medicate her pain away.

She has questionable behaviors for someone that is law enforcement and a stalker.

When one body found on her patrol route turns into another, each in the same manner as her father. The FBI is called in to assist with the manhunt for the copycat killer.

Enter Roman Hanshaw, The FBI agent assigned to help Rachael find the truth behind these murders.

Their relationship takes an erotic turn when Roman realizes he sees the real her and he could be exactly who she needs to help her heal.
One reckless decision helps Roman make his mind up about wanting Rachael, but will she feel the same way?
Who is the killer?
Why are they targeting Rachel?
Can Roman and Rachael uncover the truth in time?
Can Rachael handle the twists and turns life throws her while uncovering this truth?

Tropes and Triggers (minimum)
Depression
Suicidal ideology
Child abuse (mentioned)
Death and dismemberment
Abuse of a corpse (eyes cut out, chest marked)
Police officer FMC
FBI MMC
Twists and turns
Erotic novel, 5 chili peppers
Bullying (co-worker and mentioned childhood off page)
Snarky, minority FMC
He falls first
Breath play
Dirty talk
handcuffs
Slow burn
Slight enemies to lovers
He breaks down her walls
Betrayal
secrets
Stalker
serial killer
touch her and die
one bed