Who lit a sparkler in this guy's Cheerio's this morning?? Sheesh. 

Let's just put it out there - it's summer. In Michigan. People light off fireworks for pretty much three straight months, whether legally or illegally. As AJ's sister says, it's "bedlam." But we're used to it, right?

Apparently not.

This is coming from a neighborhood just east of Sterling Heights in Chesterfield - a resident of the Eagle's Nest sub sent a letter to other residents, threatening to retaliate and make their lives "miserable" if they set off fireworks after 9 PM at any point this week.

The person says that they work from 4 AM until 2 PM, and last year, they only got 2 hours of sleep. They said that, if the fireworks continue this year, "I will make your and your neighbors' lives miserable for days and months to come."

You can read the full letter HERE. 

Police are investigating.