After a bone-weary veteran detective and an ambitious FBI profiler on her first field assignment uncover a covert government bio-weapons program, they need to elude a hit squad to prove it when the project’s architects become desperate to avoid exposure.

Hi Jester93,
This is how I see the story based on your logline:

A veteran detective and an FBI profiler must elude a hit squad after they uncover a covert government program and expose its dangers.

If this is what you have in mind, use the above logline as a template and re-write.

Good luck and I hope this helps.