; (2) make arrests without warrant for any offense against the United States committed in the presence of the law enforcement officer, or for any felony cognizable under the laws of the United States if the law enforcement officer has reasonable grounds to believe that the individual to be arrested has committed or is committing the felony, provided the arrests occur on Federal land or within the State or local jurisdiction of the law enforcement officer or the individual to be arrested is fleeing from the Federal land; (3) execute any warrant or other process issued by a court or officer of competent jurisdiction for the enforcement of the provisions of any Federal law or regulation issued pursuant to law arising out of an offense committed on Federal land or, where the individual subject to the warrant or process is on Federal land, in connection with any Federal offense