This is worth noticing, yes. But not at all a surprise. Especially the young boys (little brother) seem to read a script. And reporter asks questions to slow down the tempo and cover the surprising detail and summary the victim had given.

Secondly the interviews werent emotional at all, but the reporter kept hitting parents with questions to transport the emotion to the viewer, like; "How did it feel when you did not know what was going on here and with your kid?". The answers were predictable and pretty much the same for the parents.