
Ted, if you don't pay them,
they will reopen the INVESTIGATION,
Breaking Bad Season 4, Episode 9

and agree to collaborate
in the INVESTIGATION,
Money Heist Season 1, Episode 10

It could be in relation to a INVESTIGATION
Hank was working...
Breaking Bad Season 3, Episode 8

He’s getting close to you
to know about the INVESTIGATION.
Money Heist Season 1, Episode 13

So you need to tell Mike
that you are worried
about Hank's INVESTIGATION.
Breaking Bad Season 4, Episode 8