WARNING: This story contains descriptions of violence.

Rows of Lauren Jarvis's friends and family members sat in an Edmonton courtroom this week and watched images of her appear on a screen.

In a procession of photos and videos, the 27-year-old makes faces next to her friends, and sings in the car with the windows down, laughing.

Ryan Farrell, the man who admitted to killing her, kept his eyes down as he sat in the prisoner's box.

Farrell, 34, was briefly Jarvis's neighbour. He came to Edmonton fro…