The main character's mother is slowly dying throughout the season, but you don't see it actually happen. Their father has also died when they were younger.
Ep1 - Flynn v*s after using the device a second time. Audio only, so mute when there's a close up of her hyperventilating and rushing to the trailer door. Ep2 - Safe
At 22:00, a syringe is filled with a drug from a bottle. It's gone at 22:11, but comes back at 23:56, when it'll be injected into someone's arm. It's gone again at 24:10.
The main character asks another person to shoot her and he does. There’s an alternate timeline element suggesting she is still alive in a way but it’s still what happens.