What is Spenser Lyle Robnett Doing in Des Moines Other Than Getting Arrested?

What is Spenser Lyle Robnett, who lives in Royal Oak, Michigan, nearly 550 miles away, doing in Des Moines and getting arrested for the first time in Iowa?

Old "Steady Spense" on Instagram and Twitter (protected tweets, of course, because this guy is a fucking criminal.

He's also part of the usual radical Leftist and Jew-hating groups that Rekha Basu has sympathy for:

Spenser Robnett is an affiliate of Students Allied for Freedom and Equality (SAFE), a chapter of Students for Justice in Palestine (SJP) at the University of Michigan, Ann Arbor (UM Ann Arbor) and a supporter of the Boycott, Divestment, Sanctions (BDS) movement.

There's much more at the Archive link.

What are you doing in Des Moines, Steady Spenser?