Take context from the input text and decide on the accurate relationship between 'Wolf Blitzer' and 'CNN' from the options provided.
Options: founded by, headquarters location, employer, chief executive officer

President Barack Obama called for greater regulation of drones, CNN anchor Wolf Blitzer brought up the specter of al Qaeda-manned drones, and the drone-maker itself installed a firmware update that prevents its drones from flying near the White House.
employer