American Murder: The Family Next Doorrevealed a lot aboutthe Chris Watts case.

Certainly the Watts' social media pages gave the impression that all was well in their happy home.

But as we now know, that wasn’t the case.

Chris Watts and Shanann Watts with their children, the subjects of American Murder: The Family Next Door

What else didAmerican Murder: The Family Next Doorreveal about this tragedy?

Read on to find out everything we learned while watching the devastating true crime story play out.

Sadly, that baby would never get the chance to come into the world.

Chris Watts, the subject of American Murder: The Family Next Door

“He appeared to be a good listener.”

She even ended up canceling the baby’s gender reveal because Chris seemed cold as ice during the ultrasound.

For as dismal as things seemed, Shanann held onto the hope that things could improve.

Chris Watts kissing Nichol Kessinger on the cheek, both of whom appeared in American Murder: The Family Next Door

It’s like he wasn’t even trying to hide his affair!

That outing is what finally tipped Shanann off to the fact that Chris was cheating on her.

A confrontation was, as viewers ofAmerican Murder: The Family Next Doorknow, inevitable.

Nichol Kessinger and Chris Watts, who were in American Murder: The Family Next Door

However, when pressed, he didn’t know the friend’s name.

That evening, Chris made a plea on a local television station, asking his family to come home.

“We had an emotional conversation, I’ll leave it at that,” he said.

Shanann Watts and her two children outside, the subjects of American Murder: The Family Next Door

“But I just want them back.

I just want them to come back.”

After texting Chris to see what he had to say about the disappearances, Kessinger knew something was up.

Shanann Watts and Chris Watts, the subjects of American Murder: The Family Next Door

It was yet another one of those hard-to-watch moments inAmerican Murder: The Family Next Door.

Five days later, Chris was arraigned as Shanann’s family tearfully looked on.

What really happened the night the Watts family was killed?

Shannan Watts, as seen in American Murder: The Family Next Door

Things were so loud that young Bella reportedly walked in and asked what was going on.

There he shared that he smothered his two young children and threw their bodies into an oil barrel.

Chris is now serving five life sentences without the possibility of parole, according toThe New York Times.

The outside of the Watts' home with a memorial out front, as seen on American Murder: The Family Next Door

However, that hasn’t stopped legions of fans from writing to Chris in prison, as noted byPeople.

“He had nothing better to do, so he wrote them back.”

That’s how Chris found himself with several pen pals, with whom he communicates on a regular basis.

Shanann and Chris Watts in the car with their children, all subjects of American Murder: The Family Next Door

“They have compassion on him, despite what he did,” the source continued.

Chris Watts and Nichol Kessinger, subjects of American Murder: The Family Next Door

Chris Watts close-up, a subject of American Murder: The Family Next Door

Chris Watts with his lawyers in court in American Murder: The Family Next Door

Chris Watts wearing orange in court, as seen in American Murder: The Family Next Door

Chris Watts and two police officers in court, as seen in American Murder: The Family Next Door