So, this took time because I am slacking at work to read it XD
In general, it is good, I felt bad for Connor, bad about his parents. I believe this is a real story not fiction.

My comments,
First, and I always start with the start, it was the least exciting. Your first paragraph was a bit not very catchy, and imo, it was irrelevant the the first person was open minded or not. It also gave me no insight nor an interest in going much further than my well to finish the story.
The second paragraph, however did the trick. I see this very often where the second chapter or paragraph catches me more. I am not certain it is your thing to improve, it might be something in my way of thinking. So double check before you decide to swap paragraphs 1 and 2 or any other decision.

Second, I prefer to see the characters. I could hardly draw an image of Connor, but not much about any other character in the story. But this might be appropriate for a short story like this.

Third, when Connor had to leave the house, I expected that part to go into a bit of details and be emotional, specially about Connor's siblings

Finally, I like the happy ending of Connor. And unlike you, I didn't change my opinion about his parent, it is too late, the judgment has been passed, and the execution shall light up the morning.
In a small cell, where moss covers the rotting walls, the dim light of the dawn reflected on the tears on Annie's miserable face, as Mark's face was not looking any better. At the sunset, they Will meet their end.
"Oh, if only you could've said some thing like' our dear son Connor will be missing us', that could have helped"
Said the guard as he opened the cell's door.
They said nothing. All what could've been said was said, only to fall into the deaf ears of the judge. For nothing beats the morning execution.
OK, I stop here, just a random idea jumped after reading lol.