...where the violation is committed in the presence of the person making the arrest or where such person has reasonable grounds to believe that the person to be arrested has committed or is committing such violation." The crucial question for us then is whether knowledge of the related facts and circumstances...

...where the violation is committed in the presence of the person making the arrest or where such person has reasonable grounds to believe that the person to be arrested has committed or is committing such violation." The crucial question for us then is whether knowledge of the related facts and circumstances...

...where the violation is committed in the presence of the person making the arrest or where such person has reasonable grounds to believe that the person to be arrested has committed or is committing such violation." The crucial question for us then is whether knowledge of the related facts and circumstances...

...the arrest here the Congress authorized officers to make arrests without a warrant where there are "reasonable grounds to believe that the person to be arrested has committed or is committing" a narcotics offense. 70 Stat. 570, 26 USC (Supp. V) § 7607. But in other fields of criminal law enforcement...

...without a warrant is restricted to offenses committed "in their presence" or to instances where they have "reasonable grounds to believe that the person to be arrested has committed or is committing" a felony. 18 USC § 3052. The statute states the constitutional standard, for it is the command of...

...pursuant to this Act, or for any felony cognizable under the laws of the United States if they have reasonable grounds to believe that the person to be arrested has committed or is committing such felony, and they shall have the power to execute any warrant or process issued by a court or officer...

...committed in their presence, or for any felony cognizable under the laws of the United States if they have reasonable grounds to believe that the person to be arrested has committed or is committing such felony." Under authority contained in 5 USC 340 there was established under the jurisdiction of the...

...authorized under 26 USC § 7607, authorizing narcotics agents to make an arrest without warrant if they have -'reasonable grounds to believe that the person to be arrested has committed or is committing such violation." Under § 836, California Penal Code, an officer may arrest without a warrant if he has...

...to the internal laws committed In his presence, or for any felony cognizable under such laws if he has reasonable grounds to believe that the person to be arrested has committed or is committing any such felony. There can be varying interpretations of the phrase "reasonable grounds," and it is...

...authorized under 26 USC § 7607, authorizing narcotics agents to make an arrest without warrant if they have "reasonable grounds to believe that the person to be arrested has committed or is committing such violation." Under § 836, California Penal Code, an officer may arrest without a warrant if he has...