Criminal case

Respective Sir, Mere Bua ji, Fufaji, 3 sister n 1 brother ko ek ladke ne maar dia, pr woh abhi tak pakad me nahi aa paya h.. Case kuch aise h ki ek ladka bua ji ki beti ke peeche pada tha or iski wajah se hamari kaafi badnami bhi hui, fir humne apni behan ko foreign study karne bhej dia. Woh ladka 6 mahine se Gumshuda tha .. uski family ne police me FIR bhi karwai thi or fir 6 mahine baad aake usne poori family ko khatam kar dia aur ab bhi woh faraar hai, police bhi kuch nahi kar rhi h. Case bhi open padaa hai .. koi Gawahi nahi de rha h, Gawaah nahi h toh kuch hoga nahi kya sir Police ko kya karna chahie? Kya ladke ke parents ko jail me torture remand pr nahi le skte kya police wale ? Kya karna chahie pls bataiye sir Sister foreign se aai to uski gawahi accept nahi ki jaa rhi hai Kya karna chahie sir pls suggest