ing ▁program ▁polit ically ▁and ▁finan cially ▁impossible ▁through ▁the ▁coordin ated ▁release ▁of ▁thousands ▁of ▁med f lies . ▁As ▁early ▁as ▁December ▁ 1 9 8 9 ▁the ▁group ' s ▁claim ▁was ▁taken ▁seriously . ▁Initial ly , ▁the ▁letter ▁was ▁dismiss ed ▁as ▁" some ▁c rank ▁trying ▁to ▁get ▁a ▁lot ▁of ▁public ity ", ▁but ▁there ▁was ▁evidence ▁the ▁group ▁played ▁a ▁role ▁in ▁the ▁inf est ation . ▁ ▁C ertain ▁characteristics ▁of ▁the ▁ 1 9 8 9 ▁med fly ▁inf est ation ▁led ▁investig ators ▁to ▁the ▁conclusion ▁that ▁someone ▁was ▁responsible ▁for ▁deliber ately ▁re le asing ▁med f lies . ▁The ▁dense ▁med fly ▁population ▁couple d ▁with ▁the ▁low ▁number ▁of ▁med fly ▁lar va e ▁found ▁in ▁the ▁inf ested ▁areas ▁left ▁ent om olog ists ▁b aff led ▁as ▁to ▁how ▁the ▁inf est ation ▁could ▁be ▁completely ▁natural . ▁The ▁writer ▁of ▁the ▁letter , ▁and ▁any ▁members ▁of ▁the ▁alleg ed ▁group , ▁were ▁never ▁identified . ▁ ▁Response ▁The ▁F BI ▁became ▁involved ▁in ▁the ▁investigation ▁and ▁the ▁letters ▁were ▁turned ▁over ▁to ▁the ▁Los ▁Angeles ▁Police ▁Department ' s ▁C riminal ▁Cons pi racy ▁Section . ▁During ▁the ▁course ▁of ▁the ▁investigation , ▁the ▁United ▁States ▁Department ▁of ▁Agricult ure ▁attempted ▁to ▁contact ▁The ▁Bre ed ers ▁through ▁a ▁class ified ▁ad ▁placed ▁in ▁the ▁Los ▁Angeles ▁Times . ▁The ▁ad ▁stated : ▁" Bre ed ers ▁if ▁you ' re ▁for ▁real ▁send ▁one