Shetland, Season 4: Episode 5
Preview | 30s
Tosh begins to question if Lars could somehow be involved in Sally's murder after picking up that he knew about roadworks that took place on the island a week before he arrived. A review the CCTV footage of Sally arriving in Norway reveals that her keychain holds a memory stick which contains video footage of Lars attending an NDA meeting. Lars claims he witnessed Sally argue with Duncan.