...officers or employees of the Bureau of Narcotics and Dangerous Drugs to make seizures of property and to make arrests without warrant for any offense against the United States committed iu their presence or for any Federal felony offense if they have probable cause to believe that the...

..."execute and serve any arrest warrant," : ''make arrests without a warrant for any violation of this Act if they have reasonable grounds to believe that the person to be arrested is committing the violation in his presence or view, and" This amendment would correct an...

...arrests without warrant (A) for any otfense against the United States committed in his presence, or (B) for any felony, cognizable under the laws of the United States, if he has probable cause to believe that the person to be arrested has committed or is committing a felony...

...arrests without warrant (A) for any otfense against the I'nited States committed in his presence, or (B) for any felony, cognizable under the laws of the United States, if he has probable cause to believe that the person to l>e arrested has committed or is committing a felony...

...may carry firearms, serve warrants and subpenas issued under the authority of the United States and make arrests without warrant for any offense against...cognizable under the laws of the United States if Ihey have reasonable grounds to believe that the person to be arrested has committed or is committing...

...the director, the officials and agents of the FBI to carry firearms, serve warrants and subpoenas and make arrests without warrant for any offense against...or for any felony cognizable under the laws of the ITnited States if they have reasonable grounds to believe that the person to be arrested has committed...

...arrests without warrant (A) for any offense against the United States committed in his presence, or (B) for any felony, cognizable under the laws of the United States, if he has probable cause to believe that the person to be arrested has committed or is committing a felony...

...arrests without warrant (A) for any offense against the United States committed in his presence, or (B) for any felony, cognizable under the laws of the United States, if he has probable cause to believe that the person to be arrested has committed or is committing a felony...

...provide, and this is common language, that they may carry firearms and make arrests without warrants for any offense against the United States committed...the United States if they have reasonable grounds 1p believe that the person to be arrested has committed or is committing such felony. Now, that language...

...FBI representatives to serve warrants and subpoenas under the authority of the United States and to make arrests without warrant for any offense against...States committed in their presence or for any felony under the US laws, which they reasonably believe a person has committed. Also, the FBI has been vested...