For the same reason they deposed Maduro, control, obviously.
Your mistake is thinking they care about Iranians enough to want them dead. The reality is that they want Iran to bend the knee, at which point they'll go back to not thinking about them at all.
Your mistake is thinking they care about Iranians enough to want them dead. The reality is that they want Iran to bend the knee, at which point they'll go back to not thinking about them at all.