Ramesh Vaidhukiya (26), an auto-rickshaw driver, was arrested on February 10 for killing Ashmaben Sadikot in Navagam area on the outskirts of the city on February 7. According to police, he stabbed the woman, who had hailed his rickshaw, after taking her to an isolated spot and looting her.
Two days later, he abducted a three-year-old girl from Chunaravad area, raped her twice and then killed her by smashing her head on a wall, police said.
"We had arrested Vaidhukiya on February 10 for robbing and killing Ashmaben Sadikot," ACP (Crime) J H Sarvaiya told reporters today.
"While probing the murder of the three-year-old girl, we checked CCTV footage and found that it was the same person who had killed Sadikot and who was now in police custody," he said.
"We interrogated him and he confessed to have raped and killed the child," the ACP said, adding that further probe was on.