▁south ▁of ▁San ▁José . ▁Maur icio ▁Cord ero ▁and ▁I le ana ▁Ál vare z ▁were ▁in ▁a ▁N iss an ▁Sent ra , ▁when ▁they ▁were ▁surprised ▁by ▁a ▁stranger ▁who ▁forced ▁them ▁to ▁abandon ▁their ▁car ▁and ▁walk ▁ 5 0 0 m . ▁Then ▁he ▁proceeded ▁to ▁shoot ▁both ▁of ▁them . ▁While ▁no ▁one ▁was ▁ever ▁caught ▁for ▁this ▁or ▁other ▁cr imes ▁attributed ▁to ▁El ▁Ps í cop ata , ▁the ▁Jud icial ▁Police ▁of ▁Costa ▁Rica ▁identified ▁a ▁mod us ▁oper and i ▁identical ▁to ▁the ▁mur ders ▁of ▁those ▁two ▁and ▁ 1 9 ▁other ▁people , ▁between ▁ 1 9 8 6 ▁and ▁ 1 9 9 6 . ▁ ▁Other ▁curios ities ▁▁▁ ▁The ▁cr imes ▁attributed ▁to ▁El ▁Ps í cop ata ▁were ▁carried ▁out ▁with ▁an ▁M 3 ▁subm achine ▁gun , ▁which ▁used ▁. 4 5 ▁A CP ▁am mun ition . ▁In ▁July ▁ 2 0 0 5 , ▁a ▁very ▁similar ▁weapon ▁was ▁buried ▁in ▁the ▁cour ty ard ▁of ▁a ▁house ▁located ▁in ▁the ▁" de ath ▁triangle ", ▁but ▁ball istic ▁analy zes ▁determined ▁that ▁the ▁weapon ▁found ▁did ▁not ▁co inci de ▁with ▁the ▁M 3 . ▁ ▁El ▁Ps í cop ata ▁only ▁attacked ▁south ▁of ▁the ▁Flor en cio ▁del ▁Cast illo ▁Highway ▁( which ▁connect s ▁San ▁José ▁and ▁Cart ago ). ▁ ▁See ▁also ▁▁ ▁List ▁of ▁serial ▁kill ers ▁by ▁country ▁ ▁References ▁ ▁Bibli ography ▁ ▁" C ru