This is not revealed on the show.

The only two people who knew if Arthur had revealed Dexter's true identity to Rita are Arthur and Rita. Arthur was killed by Dexter shortly after he'd killed Rita, and he tells Dexter nothing that indicates he'd told her about him (nor does he leave any messages behind indicating it).

Does Rita find out about Dexter being a killer?

Dexter felt that Rita was a perfect girlfriend because she was as damaged as he was in her own way. Rita was completely unaware that Dexter was a serial killer, and it delighted her that he was great with her children.

Why did Rita kill herself in Dexter?

The writers felt that dexter needed a more dark passenger side to him and decided that having Rita negated that idea. So they killed her.

Did Trinity tell Rita about Dexter?

As such, audiences were just as much in the dark about the details of Rita's murder as Dexter was, especially since Trinity didn't even tell Dexter he had killed her while on his table.

Did Dexter ever get caught?

In the Dexter: New Blood finale, Dexter is finally arrested by his on-and-off-again girlfriend, Angela Bishop (Julia Jones). Dexter was never arrested before this point. Dexter's arrest finally reveals cracks in the titular killer's facade. For once in his life, Dexter has to answer for his vigilante-style justice.

Dexter Pulls A Fast One

How did Arthur find Rita?

He then captures Arthur and takes him to a kill room in the bomb shelter. Arthur now knows that Dexter is a serial killer, not an extortionist. After Dexter disposes of Arthur's body in the Gulf Stream, he returns home to find Rita in the bathtub - murdered.

What happens to Dexter's son?

He dies at the hands of Harrison (Jack Alcott), his long-lost son who found him hiding in Iron Lake. The one-off season ends with Harrison driving away and his father saying, "I died so you can live."

What happens to Astor and Cody after Rita dies?

Feeling that he couldn't properly raise Astor, Cody, and the infant Harrison after Rita's death (while also being suspected of killing her), Astor and Cody were sent to live with their father Paul's parents in Orlando, Florida, with Astor only making a few brief appearances during the remainder of the series.

Who kills Deb in Dexter?

One of the most tragic moments in Dexter's original series was Deb's season 8 finale death. She had become brain dead from complications in surgery after being shot by Oliver Saxon, so Dexter mercifully pulled the plug on her life support in the show's final moments.

Does Rita find out about Lila?

At Rita's mother suggestion, Dexter brings Lila to dinner, and when Rita finds out that Lila accompanied Dexter on his road trip, Rita breaks up with him. Dexter and Lila leave together and have sex later.

Who found out Dexter?

Debra Morgan finds out Dexter's secret.

By the end of Dexter: New Blood, only four were still alive, with eight being directly murdered by Dexter.

Does Dexter cry over Rita?

Dexter begins to whimper and groan, then shriek and scream, from anger and grief over losing Rita.

How does Dexter get caught in Season 8?

Hannah and Harrison board a bus to the Jacksonville airport, but Elway is waiting for them. Hannah evades Elway and escapes with Harrison. Saxon goes to the hospital with the intention of killing Debra, but Dexter spots him and he is arrested by Angel.

How does Deb react to Dexter being a killer?

So how did Debra react to the reveal that Dexter is in fact a serial killer in "Sunshine and Frosty Swirl"? Find out now... Deb's Remedy: After learning that her brother is in fact a serial killer, Deb has a pretty normal reaction: throwing up and then throwing a punch.

Do Astor and Cody come back to Dexter?

Will Astor and Cody appear on the revival? Showrunner Clyde Phillips confirmed Astor and Cody won't appear in Dexter: New Blood, but he imagines they are living happily. “They're basically off in the world living their lives,” he told TV's Top Five.

Where does Dexter live after Rita dies?

Season Five

After Astor returns to the house to see where her mother was murdered, she refuses to live with Dexter. Both she and Cody move to Orlando with their grandparents, while Dexter and Harrison reside at his apartment.

What happens to Dexter and Rita's baby?

Because he initially let Arthur live, Dexter later found Rita murdered by Arthur, with Harrison sitting in her blood, crying his eyes out. Dexter immediately scooped up his son, the situation being similar to what he himself experienced as a child.

Does Harrison know what Dexter did?

While Harrison still spent most of New Blood knowing that Dexter had a flawed persona and past after he faked his death, changed his name, and abandoned Harrison, one flashback scene from Dexter: New Blood's finale episode suggests that Harrison also secretly knew that he killed Matt Caldwell the entire time.

Is Dexter's son Harrison a killer?

It is Dexter that has made Harrison volatile through his decisions, and it is Dexter who finally makes Harrison a killer by asking him to kill him.

Does Dexter attend Ritas funeral?

He realizes that he genuinely loved Rita, and returns to Miami to appear at her funeral, giving her a heartfelt eulogy before she is laid to rest.

Why did Dexter punch Elliot?

Season Five

After Rita's death, Elliot is interviewed as a potential witness and suspect, but he is cleared. Elliot tells Joey Quinn that Dexter punched him because of Rita.

Does everyone know Dexter is the Bay Harbor Butcher?

Dexter Morgan (the true Butcher) - In the early stages of the investigation, Frank Lundy suspected him. However, he later came to believe that Doakes was the Butcher. Lundy never found out that Dexter was the true killer.