If the orders were not to kill than probably some IDF soldiers and officers are in detention now, if not do not bother. Saving the life of the suspects was clearly not a priority. I trust the capabilities of the IDF too much to believe that they can fail three times.
Lieberman: Knesset panel should review attack on IDF soldier in Nabi Saleh (Haaretz)
from the article: Orders were to capture militants alive - so why were they killed?