LAHORE The police investigators are still unable to nab the killers who murdered a 20-year-old beautician and her mother inside a residential apartment in Liaqatabad police area on Monday. The police suspected that a fruit-vendor killed the beautician, later identified as Iram Bibi, and her mother in a cold blood. The police registered the double murder case against the killer, identified as one Rashid, and his accomplice. Earlier, Ayesha Bibi, daughter of the deceased, told the police that her mother Shahnaz and sister Iram were killed by Rashid who used to visit their residential apartment frequently. She said that the killer had developed relations with her sister and wanted to contract marriage with her. The beautician was not willing to tie her knot with Rashid. Therefore, he committed the killings in revenge, Ayesha told the police. The police also took cellular phones of the deceased women into custody to establish evidences against the killers. A police investigator said that they are conducting raids.