What was meant to be a small investigation in the department ended up leaving the FBI wanting more answers.

After arresting a stripper for dealing drugs she confessed she got the drugs from her policeman boyfriend, who kept a huge stash in his nigh stand both to sell and use recreationally. That led to a small investigation which evolved into a huge investigation. They also discovered this cop was leaking private citizens' personal info to a favourite journalist.

He has been charged for a lot of bad stuff and it's very interesting; read more here.