Which movie is this?

Question

which movie has a plot where they try to give water or ice cubes to people to dehydrate them to their death

i will choose the best answer to whoever answers correctly first.

Answer 1

Water and ice cubes would HYDRATE people not dehydrate.

Agent Cody Banks  or Agent Cody Banks 2: Destination London, maybe The Tuxedo

Answer 2

doesnt make sense

Answer 3

The Tuxedo

The "Bad guys" make dehydrating water so that they can sell their own 'good' water. They also use it a couple of times to kill people. Starring Jackie Chan as a secret agent.

Answer 4

But... water and ice cubes would HYDRATE people and keep them alive...

Answer 5

agent cody banks