He tried to look out for the Zone clinic doctor, Asia, and thought himself quite the tough guy. He was sent to collect MacLeod after Asia and Canaan set him up to precipitate a meeting. After she knocked out MacLeod, she asked that Canaan not kill him. He twisted her head and yelled about her not telling him what to do. Tio pulled a gun and told Canaan to keep his hands off her.
Canaan talked Tio down, and when he lowered his weapon, Canaan pulled his own gun and coldly shot him, saying he had to set an example.