Jan. 17 (UPI) -- Immigration and Customs Enforcement officers and others cannot use "crowd dispersal tools" against nonviolent protesters while enforcing federal immigration laws, a federal judge ruled on Friday. U.S. District Court of Minnesota Judge Katherine Menendez said ICE officers cannot use tear gas, pepper spray and other commonly used devices to disperse protesters who are "engaging in peaceful and unobstructive protest activity," The New York Times reported. Such activities are