Here is the full list of all 14 Detective Failure achievements.
This one is just for starting. Yes, I hate when it happens too.
Nine times out of ten, it's the spouse.
Jealousy is a lousy advisor.
The one who hates.
The sad one.
He knew nothing.
It's your own Master Chief award for being the best Halo player in the world.
It's always the lackey.
It's always the maid.
If I had killed you on the day of our marriage I would be leaving the prison right now.
Hang the DJ, Hang the DJ...