Relatively little has been reported in the Israeli media about the Israeli espionage network allegedly discovered in Lebanon over this past month. The Lebanese have announced several arrests of various figures, including some senior former officers. Now, in a strange episode, the Spanish commander of the UNIFIL forces in Lebanon seems to have inadvertently revealed that Spanish units participated in the hunt in southern Lebanon (Ha'aretz, ABC.es, Ha'aretz English). If this is true, Israel should take immediate measures. Helping the Lebanese security forces hunt down Israeli spies is not part of UNIFIL's mandate. The fallout could be very serious and it certainly undermines future UNIFIL missions.