including the traditional close cooperation between tribal and federal authorities.


24
The circumstances of this case triggered the protections of title 18 U.S.C. § 5033.  These protections warranted that Doe's parents be notified of his detention and questioning concerning a murder investigation.  Section 5033 provides in part:


25
Whenever a juvenile is taken into custody for an alleged act of juvenile delinquency, the arresting officer shall immediately advise such juvenile of his legal rights, in language comprehensive to a juvenile, and shall immediately notify the Attorney General and the juvenile's parents, guardian, or custodian of such custody.  The arresting officer shall also notify the parents, guardian, or custodian of the rights of the juvenile and the nature of the alleged offense.


26
At approximately 1:00 a.m. on April 27, 1991, NavajoCriminal Investigator Franklin Tsosie responded to a report that several individuals had been stabbed.  After learning that one of the victims had died, Investigator Tsosie immediately contacted Special Agent Stanley Burke of the FBI.  At approximately 2:00 a.m., Investigator Tsosie was notified that two suspects had been taken into custody in connection with the crimes.  After interviewing some of the witnesses and victims of the stabbings, Investigator Tsosie returned to the scene of the assaults and waited for FBI Agent Burke to arrive.  At approximately 4:00 a.m., FBI Agent Burke arrived and immediately took charge of the investigation.


27
Beginning at approximately 5:00 a.m., FBI Agent Burke interrogated Doe at the Chinle Police Station.  At the outset of the interrogation, FBI Agent Burke advised Doe