New Delhi/Noida, May 21 (IANS) A team of Delhi Police’s Crime Branch investigators Wednesday joined the probe into the gruesome twin killings teenager Arushi Talwar and her family’s domestic help Hemraj in Noida, the capital’s suburb in adjoining Uttar Pradesh. “We have sent a team to Noida to probe the double murder on the request of the Uttar Pradesh police,” a Delhi Police official said.

A team of Delhi sleuths, headed by Assistant Commissioner of Police (Interstate Cell and Special Investigation Team) Joy Tirkey, carried out an inspection of the Jalvayu Vihar home in Sector 25, where the killings took place. A team of Uttar Pradesh’s Special Task Force (STF) is investigating the murders that have baffled the police.

Fifteen-year-old Arushi, a Class 9 student of Delhi Public School (Noida), was found dead with her throat slit and multiple stab injuries on her face, chest and neck when her father is said to have opened her bedroom door at their home early Friday morning.

The teenager, the only daughter of a dentist couple, reportedly had dinner with her family Thursday night and then retired to her room in the three-bedroom apartment.

The Uttar Police earlier suspected family domestic help Hemraj and even announced a reward for his arrest. But a day later, the case took a murkier turn when the police discovered his body on the house’s terrace.

The police have so far interrogated nearly two dozen people and claim that investigations were on the right track. Noida’s Senior Superintendent of Police A. Satish Ganesh said the police were on the brink of cracking the case.

While the Talwars’ former servant Vishnu is a key suspect, Arushi’s parents are also under the scanner as discrepancies were found in their statements, police sources said.

Earlier Wednesday, Arushi’s father Rajesh Talwar, who has so far kept himself away from the media, in his first public reaction since the killings came to light, said: “I have no idea who killed my daughter and I have nothing do with the murder.”