Police in Bangladesh have solved a murder and robbery case in the capital city of Dhaka after using an unconventional investigative clue — the suspect’s walking style captured in surveillance footage.
Law enforcement officials said the breakthrough played a crucial role in arresting Bilkis Begum, a 43-year-old woman suspected of killing a 62-year-old house owner by administering sedatives before robbing valuables.
The investigation was conducted by the Police Bureau of Investigation Bangladesh, which described the case as one of the most unusual technological tracing operations in recent times.
Crime Scene and Initial Investigation
The incident took place in the Uttara residential area of Dhaka when the victim, Ayesha Akhtar, hired a woman who introduced herself using a fake identity.
According to investigators, the suspect joined the household using the name “Marufa” and promised to provide national identification documents later, but never submitted any official record.
Family members later found Ayesha Akhtar and her 68-year-old husband, Mohammad Anwar Hossain, unconscious inside their apartment after suspected sedatives were administered.
The victim was taken to a nearby hospital where she was declared dead, while her husband received treatment.
CCTV Footage Became the Key Clue
Police collected surveillance footage from a neighbouring building because the CCTV camera inside the house was reportedly not functional.
The footage showed the domestic worker entering the house at around 8:56 a.m. and leaving around 2:30 p.m., but the image quality was insufficient to identify her face.
During analysis, an investigating officer noticed that the suspect had a distinctive walking movement. The officer compared the pattern with records from an earlier theft case involving a woman arrested in Dhaka Metropolitan Area.
After reviewing archived case files and photographs stored in digital databases, investigators suspected that the same woman might be involved.
History of Similar Crimes
Authorities said the suspect had been using multiple aliases such as “Kona”, “Nurjahan”, and “Marufa” while working as a domestic helper.
Police believe she had been involved in similar robbery incidents for nearly a decade across residential areas of Dhaka and nearby districts.
Investigators also found at least five criminal cases filed against her under different names.
The suspect had previously been arrested in 2023 in connection with a theft case in Dhaka’s Hatirjheel area but was released after serving about one and a half months in jail.
Arrest and Legal Proceedings
Following technological and record-based analysis, police tracked the suspect to Gazipur, where she was arrested on February 21.
Officials said the suspect later gave a confession statement in court, although investigations are continuing to determine whether she was involved in other similar crimes.
Police are also examining whether the use of sedatives was part of a planned method to incapacitate victims before robbery.
Authorities said the case highlights the growing role of digital surveillance and behavioural evidence analysis in modern criminal investigation in Bangladesh.
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