Video Claims to Prove Poison Being Sprayed Over Illinois

This is without a doubt one of the more controversial conspiracy theories over the past few decades. Are authorities really spraying harmful chemicals over the population? A new video claims it's happening over Illinois right now.

I want to say from the start that I'm not making fun of or dismissing (or validating) this man's video. This is a serious question that needs to be addressed and I'm not going to pretend to have all the answers. First, check out the video he just shared where he infers that the streaks you're seeing in the sky are poison.

Are these streaks over Illinois contrails or chemtrails?

NASA defines contrails as "a type of ice cloud, formed by aircraft as water vapor condenses around small dust particles, which provide the vapor with sufficient energy to freeze." My question this this guy and all who share videos like this is how do you know these are illicit chemicals and not just contrails from planes? It's not a rhetorical question. I'd really like to know.

Before you laugh off this guy's theory, know that it's a fact that the government has admitted to spraying chemicals over the population before. It happened over St. Louis decades ago.

It seems like this is the one topic that we cannot get anyone to deal with in a scientific manner. There are two responses. Ridicule or just outright dismissal. For the crowd that believes chemicals are being sprayed over the people, prove it. For the government that has admitted to doing this in the past, prove you're not still doing it. The truth is up there somewhere.