Wallace (Katherine Renee Turner) and Nina (Shantel VanSanten) hunt a suspect on FBI. Pic credit score: CBS

Belief is tough if you’re making the mistaken assumptions about individuals.

After a case the place OA’s gut feelings received him into hazard, the FBI team dealt with the homicide of a DEA agent that concerned utilizing a witness.

However final evening’s battle between Wallace and Nina had the title character of Kayla being the one who suffered in the long run. 

A DEA agent goes down

At a bakery, a person picked up some lunch and exited solely to be shot useless on the road.

The sufferer was Thomas Webber, a retired DEA agent. The staff was fast to search for any leads and took the demise of a fellow federal agent personally. 

Nina met Wallace on the homicide scene, Wallace having labored with Webber on a job drive. They checked with the proprietor on the membership the place Webber was now working safety. Webber had attached with a dancer whose boyfriend had confronted him. 

The person was Rafer Boggs (Sterling Jonatan Williams), a supplier. Following the inevitable tried foot chase, Boggs denied capturing Webber and had an alibi; transferring into his residence.

With all of the instances Webber lined in his twenty-year profession, there have been a number of suspects. Isobel broke in with a masked man capturing a janitor at a church. The sufferer was Willy Lomax, a veteran handyman, however the feds had been baffled as to what connection Lomax and Webber had. 

It turned out Webber had run an investigation right into a drug gang known as LS-19, and the trial was developing in only a few weeks. Lomax had been a witness within the case, so killing him and Webber was to smash the case. Jubal instantly ordered safety for the opposite witnesses. 

Webber’s supervisor, Jennifer Dern (Chantal Jean-Pierre), talked of how harmful LS-19 was and it was seemingly the hit was ordered by Callum Brewster, head of the department of the gang that will go down if the trial went forward. As a former hitman, he might have been the shooter.

Nina and Wallace talked concerning the case, with Nina distracted by a telephone name a few belief fund. They had been instructed of Kayla Marsh (Melissa Saint-Armand), a waitress on the restaurant Brewster ran, who’d been busted for opioid possession. They discovered footage of Kayla shopping for medication, giving them an in.

Nina wasn’t certain about utilizing an addict as an informant however was outvoted. They noticed Kayla dropped off on the nook by boyfriend Trey Cooper (Tobias Truvillion).

Wallace and Nina talked on the case, with Wallace targeted on discovering Webber’s killer. They arrested Kayla for possession of oxy.

Utilizing an addict in a dangerous method 

In lockup, Kayla claimed she wanted assist for a again harm however stored falling into utilizing medication. Kayla begged for an opportunity to get out of this and so they supplied it in trade for her bugging Brewster’s telephone. She was not sure due to how scary Brewster was however agreed.

Nina and Wallace argued about utilizing Kayla, with Nina seeming sympathetic whereas Wallace acknowledged they wanted her. 

Scola pretended to be a buyer to speak to Brewster (Akim Black) about drinks as a distraction whereas Kayla palmed his telephone. She handed it to OA, additionally posing as a buyer, so he might match within the bug program. 

Kayla tried to return the telephone with Brewster upset about her being distracted. Scola broke a glass to distract him as Kayla changed the telephone earlier than leaving with OA. 

A search of the burner GPS confirmed Brewster had been at each crime scenes, so believed he was the shooter. They discovered his telephone at a close-by park solely to find Brewster shot useless. They had been confused about how Brewster ended up murdered along with his personal gun.

Jubal surmised Brewster was working for another person who was tying up unfastened ends. A search of a quantity confirmed Kayla had been involved with the identical particular person Brewster had talked to. 

Kayla was irritated at having to work for the FBI once more however shocked to listen to Brewster was useless. She recognized the quantity as her boyfriend Trey’s, who she insisted was a easy towel salesman. Kayla wished to go away, however Wallace snapped, “you’re finished once we say you’re.” 

Whereas Trey appeared clear, the staff realized his firm was truly laundering cash for LS-19. Wallace steered utilizing Kayla to get to Cooper with Nina stating their responsibility was to guard Kayla and this was too dangerous. Isobel sided with Wallace to order Kayla in.

A lethal takedown

Kayla at first laughed on the concept of Trey being a killer however realized the brokers had been critical. She needed to admit Trey owned a gun very like the one from the murders with Nina urgent she ought to know if her boyfriend was a killer. 

Kayla was upset about having to work for the staff extra, with Wallace citing her attainable jail sentence. 

Nina as soon as extra talked about utilizing Kayla, with Wallace citing how “the place you’re from, you don’t see individuals circling the drain,” however Nina reduce her off with “this has nothing to do with the place I’m from.”

Trey was suspicious about Kayla coming house slightly than being in school along with her developing with an excuse of sophistication being canceled. Kayla managed to get by him to examine the secure in his workplace for the gun. 

On her method out, Trey was suspicious of Kayla’s bag, however she managed to slide by him. She introduced the gun to the brokers, having them brazenly state she was finished whereas saying they had been mistaken about Trey. 

The ballistics check confirmed the gun was a match for the homicide weapon. The brokers raided the home solely to search out it empty with proof Trey had found the reality about Kayla. 

The staff realized Trey was going to take Kayla out of city solely to kill her. They tracked them to a close-by heliport, the place Trey held Kayla hostage as he fired on the brokers. Wallace was in a position to drop Trey whereas Nina tended to a wounded Kayla. 

Sadly, Kayla was underneath arrest for aiding and abetting a fugitive. When Wallace stated she ought to have trusted them, Kayla snapped that she did and “right now I’ve nothing.” 

Wrapping up on the workplace, Wallace and Nina argued about Nina being a “privileged” particular person, just for Nina to disclose she grew up in a trailer park and the “belief fund” she talked to on the telephone was for the daughter of a CI who was killed. 

Feeling responsible for misjudging Nina, Wallace apologized, admitting she was pushed by how Webber had helped her when she was beginning as a cop and took the case personally. Nina admitted she had as effectively, as they discovered some widespread floor. 

It was a notable storyline that make clear Nina whereas exhibiting Wallace’s personal emotions on a tricky case.

FBI Season 4 season finale airs Tuesday Could 24 at 8/7c on CBS.