With the assistance of a professional sketch artist, law enforcers have managed to arrest the rapist of a six-year-old from Dhaka's Kadamtoli area, police said today. Tutul (20) went into hiding soon after raping a child on the rooftop of a five-storey building in Kadamtoli'sMuradnagar area on April 25, said Shah Alam, assistant commissioner (Shyampur Zone) of DMP. The AC said