Perhaps you did not read the article … they caught these terrorist without the list 
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Talking to this correspondent at Rajarbagh Police Telecom Auditorium after the monthly crime preview meeting on October 7, Dhaka Metropolitan Police Commissioner (DMP) AKM Shahidul Haque said, “We do not know whether the names of the Indian criminals are in the Indian criminal list. We are yet to get the Indian criminal list that was handed over to the BDR by the BSF.”
They are aware what these terrorist can do once allowed to grow. They have the example fo Pakisatn right in front of them. Lashkar e Toiba is a name associated with terror in rest of civilized world