Unfortunately it appears that despite the heavy level of sophistication these devices were homemade with over-the-counter chemicals making them very difficult to trace.
Kahjuks ilmneb, et vaatamata seadeldiste ülimalt keerukale ehitusele, olid need omatehtud seadeldised valmistatud vabalt kättesaadavatest kemikaalidest, mis muudab nende jälitamise väga raskeks.