By two days after the shoot-out, the interrogation of ResMurs suspects was well underway.  A female witness had been located who identified "three of the subjects who were shooting at the police at the time in question" as Number One, the subject who was killed, number Two, Bob LNU (last name unknown) and Number Three, Norman LNU.  Edgar Bear Runner was located and interviewed, but he refused to cooperate.  More importantly, the FBI obtained a critical interview with Angie Long Visitor, where the three individuals who had fired at the police were identified as living in a tent city at the treeline near the creek.  These residents were BOB LNU, two (different) NORMAN LNU(s), LEONARD LNU, DEANO LNU, MIKE LNU, and WISH (unknown whether first name, last name, or nickname).  On June 28, Special Agent David Price came to the house of Gladys Bisonette, saying that her grandson, Jimmy Eagle, was one of those responsible for the death of the two agents.  He was looking for Eagle and also for Joanna LeDeaux, a WKLDOC volunteer who had tried to negotiate a cease fire during the shoot-out.  Mrs. Bisonette, not yet recovered from the death of her cousin's son Pedro (who had lived in her house and called her "Mother" after the loss of his own parents) was still shaken by the loss in March of Jimmy's brother Richard and her daughter-in-law, Jeanette.  Now young Jimmy was wanted for the killings on June 26 , and another agent (Gary Adams) was threatening to have Jimmy's brother Leon indicted as a suspect.  The brave-hearted woman of Wounded Knee was starting to crack under the strain.  Soon a WKLDOC lawyer arrived who told Price that nobody in this household wished to speak with him  (Richard Helm's protégé, Norman Zigrossi would later complain that his investigations had been seriously hampered by the meddling of WKLDOC, which he described as a "revolutionary organization.")  The next day, SA Dean Hughes showed up at Mrs. Bisonette's house, on exactly the same errand.  (Matthiessen, ibid, pp. 206-207.)

In the first week after the shootout, "Leonard LNU" had been tentatively identified as Leonard Peltier.  By July 4, Bob Robideau's photo was in circulation.  By July 7, Leonard's photo was also being circulated.  Jimmy Eagle's picture was in circulation by July 15, and Dino Butler's photo by July 24.  The FBI had already reported it had "a pretty good idea" who the culprits were, although it would not release any names, it still assembled a list of suspects.  Of the whole list, the only one arraigned so far was David Sky, said to have escaped after Oglala and walked across the hills to Wounded Knee.  There he allegedly boasted to friends, "You should have been there, we had fun."  According to the Rapid City Journal for July 2, Sky's "confession" had been verified by "a professional tracker from Philadelphia, PA who . . . . put a trained dog in close proximity to Sky to acquaint the dog dog with Sky's scent.  The dog was taken to the scene of the shootings and the dog indicated to his trainer that Sky had been at the scene and vicinity of the murders.  The dog tracked the escape route which was taken by a number of individuals who had been firing at the FBI agent subsequent to the deaths of Williams and Coler.  [Emphasis mine.]  The escape route was previously known and the dog indicated to the tracker the presence of Sky along the escape route within the last several days."  [Note: Don't think that dog scent identification is an established and reliable technique!  It's one thing in hot pursuit of a fleeing suspect.  When used for "cold" identification of suspects, it's entirely a different matter.  See this NY Times article from November, 2009 on an investigative technique that stinks to high heaven.]

Despite the conclusions of this earnest dog. Sky denied the whole "fun" statement and refused to testify before a special grand jury convened later in the month at the request of the FBI's SAC Richard Held and U.S. Attorney William Clayton of South Dakota.  Subsequently, according to his half-brother, Bruce "Beau" Little, Sky became pitifully frightened and disoriented by FBI harassment, and has never fully recovered.  On July 8, when Agent Price led a helicopter raid on the spiritual camp of his old nemisis Selo Black Crow in Wanblee, in apparent pursuit of Eagle or his vehicle, the FBI was extending its search all over the reservation.  Dick Wilson announced "We know who they are and the FBI knows.  If the FBI doesn't get them, we will."  On July 12, Agent Adams led a raid on Oscar Bear Runner's place in Porcupine, and entered the house without a warrant - he was about ten days late.  Bursting into houses and threatening and scaring people had already caused the death of one old man, James Brings Yellow, in Oglala.  As these searches spread across Pine Ridge, the Indians signed a general petition that the FBI leave their reservation.  Eventually, the Bureau instructed its agents to take off their war zone camouflage fatigues, and FBI headquarters was moved off the reservation - but the intensity of the operation did not diminish.  The breaking-and-entering, threats, harassment, and many other illegal procedures entirely alienated the Lakota, even Wilson supporters who otherwise might have helped.  The Sioux Tribal Council chairman, after a special meeting on July 12, demanded an immediate withdrawal of most of the FBI agents and U.S. marshals from Pine Ridge and other reservations.  They suggested that Oglala tribal officials, Dick Wilson included, be removed from office if they failed to reinstate constitutional procedures, and they also asked Governor Kneip to reprimand state Attorney Janklow for his inflammatory statements.