( CNN ) An Israeli border police officer has been detained in connection with the shooting death of a Palestinian teenager , an arrest that a human rights advocate described as `` incredibly rare . '' The police officer was arrested Tuesday , according to Israeli police spokesman Micky Rosenfeld . And on Wednesday , a judge extended the officer 's detention six more days , according to a court order . Siam Nowarah , the father of the late 16-year-old Nadeem Nowarah , called the arrest `` a step in the right direction . '' At the same time , he noted the police officer still has not been formally charged , much less convicted and sentenced . `` When this gets in the court of law , then Israel has the chance to prove to the world that it is not above the law , '' the father said . `` There ca n't be two laws for two people , meaning if an Israeli killed a Palestinian , would he get the same amount of prison time ( as a Palestinian who killed an Israeli ) ? '' His son was one of two teenagers killed in the West Bank community of Beitunya on May 15 , the anniversary of the `` Nakba , '' the exodus of more than 700,000 Palestinians after the 1948 Arab-Israeli war . Father blames Israeli military in Palestinian teens ' deaths . Cameras that Fakher Zayed set up around his four-story Beitunya house showed Nowarah suddenly falling forward , landing briefly on his hands , then rolling over to lie on his back . Within seconds , a crowd of Palestinians gathered to lift Nowarah and rush him to a waiting ambulance . According to a medical report , Nowarah was pronounced dead in a hospital less than two hours later , having suffered a single bullet wound that entered his chest and passed out his back . CNN producer Kareem Khadder filmed the same clashes -- including video showing two Israeli security troops firing their rifles at Palestinian protesters at the same exact moment that Nowarah was shot . In that video , it is not clear what kind of rounds the Israelis were shooting or whether their gunfire hit Nowarah . However , Khadder 's camera shows that less than 15 seconds after one of these gunshots , Palestinians were already racing to put the fatally wounded Nowarah in the ambulance . After a CNN report on the incident , the Israeli military suspended a soldier shown firing that day at demonstrators , according to an Israeli military source who asked not to be identified because of the continuing investigation . The source said the suspended soldier worked for the military 's communications department and was not supposed to be shooting at all . It was not immediately clear what connection , if any , this soldier had to the arrested border police officer . Source : Israel suspends soldier after Palestinian deaths . Security cameras captured the second fatal shooting that day of a Palestinian teen -- 17-year-old Mohammad Odeh Salameh -- just before 3 p.m. , showing him suddenly fall to the ground just steps from where Nowarah was wounded . Doctors pronounced Salameh dead on arrival at the hospital , with a bullet wound that had pierced his back and exited his chest . No arrests have been made in connection with Salameh 's death . `` The investigation is continuing , '' Rosenfeld said . The Israeli human rights organization B'Tselem arranged for the exhumation of Nadeem Nowarah 's body 15 days after his burial so that an autopsy could be performed . Sarit Michaeli , from B'Tselem , told CNN that the autopsy revealed the `` three fragments of a bullet and an entry and exit wound '' were consistent with a live round , rather than rubber-coated bullets that Israeli forces periodically fire at protesters . The bullet , found at the time of death in the teen 's backpack , and the three bullet fragments , found in his body , were handed to Israeli investigators , Michaeli said . Investigators should be able to tell if the fragments came from that bullet and what weapon fired it , she added . And experts were able to `` calculate the firing angle from which the shot was taken '' based on where the bullets entered and left the teenager 's body , according to the human rights advocate . Talking about the border police officer 's arrest , Michaeli said , `` ( It is ) very , very rare . '' CNN 's Michael Schwartz contributed to this report .
Two Palestinian teenagers were killed in clashes with Israeli police in May . Cameras showed one of the teenagers being killed and the suspected shooter . Israeli undercover police officer has been arrested in one death ; no charges have been filed . A human rights advocate said such actions of Israeli police are ` ` incredibly rare ''