"Beacon" is the title of the February 4th episode of the CW's Vancouver-lensed series "Smallville", now in its tenth and final season.
"Beacon" is written by Don Whitehead and Holly Henderson, directed by Mike Rohl:
"...'Clark' (Tom Welling) is surprised to see 'Martha' (Annette O'Toole) on the news speaking at a pro-vigilante rally. However, surprise quickly turns to horror when he and 'Lois' (Erica Durance) watch as Martha gets shot on national television.
"...Meanwhile, 'Lionel' (John Glover) reveals himself to the world and reclaims 'LuthorCorp' from 'Tess' (Cassidy Freeman) and 'Oliver' (Justin Hartley). Lois and 'Chloe' (Allison Mack) decide to cheer Clark up by showing him videos from thousands of vigilante supporters professing their support for 'The Blur'..."