Boise, Late November, 2020

Last year in Boise, Proud Boys came through and were spotted at the Capitol. Some of their gear said “Proud Boys East Idaho”. It gave us something to go on, but not a whole lot. Once they left the city, we had kinda given up on them. East Idaho is big and open country and there’s just so many places they could be. Additionally, we weren’t organized and linked up like we are now.

“East Idaho” Proud Boys in Boise

Fast Forward to January 6th, 2021

In the Proud Boys contingent during the insurrection, one person was wearing an Idaho sweatshirt. This immediately drew our attention and we connected 2 of the Idaho Proud Boy faces to the folks who came through Boise last year.

Proud Boy insurrectionist known only as #IdahoPB, both in Boise and in DC

Proud Boy insurrectionist known only as #PierrePB, both in Boise and in DC

Rewind to December 12th, 2020

Once we began looking for these specific guys, we were able to identify one of them coming through DC in December, when the Proud Boys roamed the streets looking for people to attack and burnt the Black Lives Matter signs at a church (Proud Boys leader, Enrique Tarrio, is currently serving time for this hate crime).

#IdahoPB in DC on December 12th, 2020 (Black sunglasses/brown tactical vest)

Skip Ahead Again to August, 23rd, 2021

This is where we were stuck all Spring and through the Summer. When Fall came around, though, something magical happened. One of their fellow Proud Boys sent their son to school in a “Proud of My Daddy” kid’s Proud Boys shirt. The kid was forced to turn the shirt inside-out and the Proud Boy and his local pastor/podcaster used their church to organize a hostile presence at the school in response. This drew lots of attention to Twin Falls Proud Boys.

The video can be seen as long as they keep it up here.

The thing is, we recognized that guy. He was in Boise back in November. Notice the top-left face in the first picture at the top of this post.

Hello, Dash Rendar! (We do NOT believe that to be his real name. But that’s who he is on Facebook!)

Pointed Towards Twin Falls!

This was our first big break, and did it deliver! We didn’t just find #IdahoPB and #PierrePB, we also identified #BiohazardPB! Twin Falls, Idaho is where at least 3 of the Proud Boys insurrectionists were hiding! Unfortunately, this appears to have been a family affair. It brings us no joy to report that all 3 of these insurrection and Proud Boys members that we have identified are from the same family in this small town in Idaho.

First, here’s Menno Derijk Sr. (39), #IdahoPB

He was hard to track down on Facebook and his name was very difficult to confirm, until we found him on Twitter at @mennoderijk. He’s wearing the same Proud Boys polo in these 2 photos.

Next, here’s Menno Derijk Jr. (22), #PierrePB

Young Menno was much easier to match on Facebook.

Finally, here’s Hayes Derijk (20), #BiohazardPB

Here he can be seen with #PierrePB on January 6th. #BiohazardPB actually left this picture up from January 6th but we’ll show a comparison to his Facebook profile picture just to be sure. Curiously, the mole appears to switch sides but that’s most likely a mirroring function of a selfie camera.

Hayes also posted this incredibly racist meme recently.

There you have it.

These 3, Menno Derijk Sr. (39), Menno Derijk Jr. (22), and Hayes Derijk (20), are involved with the violence perpetrated by Proud Boys and the insurrection. We believe them to be dangerous to our communities. We believe them to be active in an extremist hate-group, the Proud Boys.

We believe that this conclusively identifies them and the parts that they have played terrorizing communities in Idaho and Washington. We believe that our work, the work of identification, has concluded on this matter. The next step is not ours to take. We call upon the community of Twin Falls, Idaho to denounce these men, all Proud Boys, and all extremist groups threatening and endangering those around them. We call on all of Idaho to do the same.

Menno Derijk Sr. (39), Menno Derijk Jr. (22), Hayes Derijk (20) during the insurrection in DC, January 6th, 2021

We would like to thank our community that put in the footwork and the outside researchers who checked our work and helped along the way. We would like to thank the researchers who put in energy before us to get us to this point.