They have identified the person as Saiful Islam Chowkider, a chef in the Holey Artisan Bakery, the cafe that came under attack on Friday evening.
The photos released by police show Saiful wearing a white chef apron, creating confusion over police claims.
After commandos rescued 13 people in a raid on the cafe on Saturday morning, ending a 12-hour hostage drama, the Army said six attackers had been killed and another was captured alive.
The commandos also found 20 slaughtered bodies, most of foreigners. Two policemen were killed on Friday evening when they tried to enter the cafe.
The Middle East-based error outfit Islamic State had reportedly released photos of the victims when the hostage situation was under way. It had later published photos of the five gunmen.
Within an hour of the ‘IS publication’, police released the pictures of five bodies on Saturday night.
Four persons had appeared in both sets of the photos.
Now, a family at Narhia in Shariatpur is claiming the other person is Saiful.
On Sunday, Saiful’s wife Sonia Akter, who seventh months into pregnancy, said she spoke to her husband for the last time on Friday afternoon. She had found his phone switched off later on.
His mother Samera Begum said Saiful was scheduled to return home during the Eid holidays.
A combination photo of an elderly woman holding a mobile phone displaying the picture of a man, wearing a chef’s attire, and the dead attacker’s picture has appeared on Facebook.
None of the photos ‘released by IS’ seem to be of Saiful. group also reportedly renamed them.
Police have identified five of the six attackers as ‘Akash’, ‘Bikash’, ‘Don’, ‘Bandhon’, and ‘Ripon’.