RAW, CIA, MOSSAD, KHAD and other agencies have agents in every party you name, PPP, PML-n, ANP, JUI-F ,PTI sister TTP ,Baloch ,Jaye Sindh including MQM and Army, Buraucrates Judges.
What is the wisdom of doing media trial of only Urdu speaking people (no media trial of Baloch sepratist,TTP), treating them as prisoners of war, even though no arm struggle in Karachi, 99.99 Urdu Speaking are born with Pakistan ideology and die with Doa to Pakistan "Ya Allah Pakistan KO Tu Mahfooz Rakh"
If at all you are arresting culprits let them go routine procedure as it is done in most of the world nations.
Why Karachites are been provoked to come on for Arm struggle? that is real RAW strategy.Who wins who loose ,definately it is win of RAW, if a arm struggle starts.
Hosh aur Aqal Ke Nakhun, Urdu Ka Behtreen Mahwara Hai, Jo Gen Niazi aur Yahya KO Shahbzada Yakoob Ney Diya Tha 1971mein , Magar Ussko deseat Kar Diya Giya Tha.Anjaam Kiya Hua?
A wise ruler or leader gather his support rather make more rivals.