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-rani  welcomed  their  friend  inspector  khalid  who  always  proved  his  sincerity  going  against  his  department  and  seniors"  annoyance but  tonight  he  appeared   to  arrest  arghus  , because  he  had  killed  a  couple  in room number  thirteen of  a  posh  hotel  for  their  diamonds  which  were  before  them, but  smiled  arghus  showing   him the  diamonds  were  not  real, he  was  the  king  of  the  underworld  who  would  never  leave  his  finger  prints  and  signature  sign  or  real  diamonds  for  nothing  , it  was  a  conspiracy  , the  couple  was  staying  under  fake  identities, they  were  stabbed with  two  different  daggers at  the  same  time  so  he  concluded  two  killers  were  hired  to  kill them  and  shift  the  blame  on arghus  because  one  of  them called  him on phone  saying  he  was  arghus  , so  the  caller  did  not  know  he  was  speaking  to  real  arghus , the  other  called  the  police , how  could  the  callers  know  if  they  were  not  witness  to  crime  of  the  crime