The accused, Rajkumar Singh, has confessed to sexually abusing Monica after tying her to bed in her apartment and also forced her to watch porn clips, they said.
Singh, a 21-year-old native of Punjab who worked as a security guard here, has been arrested for allegedly murdering the photographer-turned-perfume specialist on the night of October 5 at her rented flat in Sangolda village in Goa.
He was tracked on the basis of ATM transactions he made at different locations after stealing two cards of the 39-year-old woman and forcing her to reveal their PINs.
"The accused has confessed to the crime. He has told the Investigating Officer that for two days he took refuse on the terrace of the building where Monica lived before forcibly entering her flat on October 5 evening," Deputy Inspector General of Police Vimal Gupta told reporters at police headquarters here.
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"The accused was attracted towards Monica since the day she inquired about availability of a flat in the complex and later followed her movements when she started residing there. After his duty as a security guard, he would wash cars of the residents, including that of Monica," the DIG said.
"After losing his job, Singh worked as a labourer in
Ponda town for sometime before visiting places like Pune, Chennai, Hyderbad and Mumbai in search of employment but was unsuccessful," Gupta said.
During this time, the accused contacted Monica and requested her to tell the security agency to release his salary. She, however, refused to do so.
Gupta said the accused had a scuffle with Monica in bathroom. He then overpowered and tied her to bed and sexually abused her.
Fearing Monica will complaint to the police, Singh smothered the perfumer to death but before that forced her to reveal PINs of ATM cards and password of her mobile phone.