Witness (Better Call Saul)

Mike Ehrmantraut observes the two individuals he followed from his house give the tracking device from his car to a courier.

Jimmy McGill wants her to start immediately as their new receptionist since he has a new commercial airing soon and needs her to field incoming calls.

Mike tasks Jimmy with observing the interior of Los Pollos Hermanos when the courier arrives.

When the tracker is stationary, Mike finds a ringing cell phone placed atop his gas cap in the middle of the road.

Chuck reveals he intentionally allowed Ernesto to hear the tape, knowing he would tell Kim and Jimmy.

Obviously the opportunity to tell some of the backstory of Gus and how he rose to power and how he came to be is always something I've wanted to explore in a very subtle way in the right venue."

[3] The episode received critical acclaim, with some praising the return of Breaking Bad antagonist Gus Fring.

On Rotten Tomatoes, the episode holds a perfect 100% rating with an average score of 9.09/10, based on 13 reviews.

The site's consensus reads, '"Witness" marks the long-awaited arrival of a fan favorite character—and ends on an explosive note that leaves viewers clamoring for more.