I didn’t understand when I walked inside and saw him — Gabe — slumped over his computer, in the largest pool of blood I had ever seen.
-- Narrator (“Sunday, February 5: Minus Seven Days”)

Importance: Jack is already not thinking clearly as a result of fatigue when she walks into her home to discover that Gabe has been murdered. It takes her a while to understand what has happened and even longer to recover from the shock and call the police.

Because from what you said, this… it sounds like a hit, Jack.
-- Hel (“Sunday, February 5: Minus Seven Days”)

Importance: After Jack describes how Gabe was killed, with his throat cut and no signs of forced entry, Hel tells Jack is sound like someone paid to have Gabe killed. Jack is shocked by Hel’s statement because she does not know who might have not liked Gabe or wanted him dead.

No, if this was real — and it seemed like it might be — there was only...
-- Narrator (“Monday, February 6: Minus Six Days”)