Vivek Ramaswamy is the lone Republican rival of Donald Trump to wholeheartedly claim the federal indictment is a Democratic attempt to jail the political opposition.
Residents said complaints about the apartment building in Davenport went unaddressed, and they questioned why the city did not intervene more aggressively.
Moves to swiftly demolish the stricken building last week were halted by protests because three occupants were unaccounted for. Their bodies were uncovered in the rubble.
Two other men remained missing a week after part of a building collapsed in Davenport, Iowa. Documents issued by city officials show the owner had been warned that part of the building was unstable.
Residents of Davenport, Iowa, protested plans to quickly remove the damaged building. Rescue workers pulled one resident to safety hours after officials said they were unaware of anyone still trapped.