Vrath Xizor used a solution of tracking nano-droids to follow Zeerid Korr, via them adhering to the bottom of his boot, in 3653 BBY.
Letta Turmond fed nano-droids to her husband, an Abyssin Jedi Temple worker named Jackar Bowmani, and used him to stage a bombing of the Temple hanger during the Clone Wars around 20 BBY.
Vrath Xizor used a solution of tracking nano-droids to follow Zeerid Korr, via them adhering to the bottom of his boot, in 3653 BBY.
Letta Turmond fed nano-droids to her husband, an Abyssin Jedi Temple worker named Jackar Bowmani, and used him to stage a bombing of the Temple hanger during the Clone Wars around 20 BBY.