"It's our belief, the Capitol would not have been breached had the global fence been up and law enforcement been prepared," he continued.
In a lawsuit, the union and officers are asking the court to rule the vaccine mandate violates the collective bargaining agreement.
A strike would cause widespread economic problems ahead of the midterm elections this November.
"The environmental left is leading the agenda" at the White House on energy, environment issues, said Kathleen Sgamma, president of the Western Energy Alliance.
Starting Monday, officers who did not get vaccinated or receive an exemption for medical or religious reasons will be placed on unpaid leave.
ICE released the number of arrests Friday, following the previous day’s raids at Glass House Farms' marijuana fields near Camarillo and Carpinteria, cities north of Los Angeles.
The White House declined to endorse specific terms on behalf of the striking laborers, insisting that they "deserve a fair share" but that both parties would negotiate the details without presidential input.
The strike, which would impact the U.S. import and export of goods from retail products to cars, could cost the U.S. economy as much as $5 billion each day.
Perez also was Labor secretary in the Obama administration.