Five days after the daylight killing in the capital's old town, a murder case was finally filed yesterday -- without naming any suspects -- even though police have already arrested five people, including two alleged shooters.

Bilkis Akther Ripa, wife of victim Tarik Saif Mamun, filed the case with Sutrapur Police Station.

According to the case statement, Mamun went to the city metropolitan court on the morning of November 10 to appear in a case. Afterwards, he stopped near the entry gate of the National Medical College Hospital on Johnson Road to drink coconut water. Between 10:50am and 11:00am, 10–12 unidentified individuals shot him dead in a pre-planned attack.

Meanwhile, police have arrested five people, including the two alleged shooters -- Faruk Hossain Foysal and Robin Ahmed Piyash. The firearms used in the killing were also recovered.

The three other arrestees are Mohammad Rubel, 34; Shamim Ahmed, 22; and Mohammad Yousuf alias Jibon, 42. All five are currently on remand in an arms case.

Asked why the alleged shooters were not named in the murder case, Ripa told The Daily Star that she signed the complaint as instructed by police and her lawyer.

"I want justice for my husband's murder. I filed the case as they advised," she said, adding that she had no idea how to file a case.

Ripa also expressed frustration over media reports describing Mamun as a "top criminal".

"He had a past; that's true. But after his release from jail, he stayed at home, prayed regularly, and managed the family with help from relatives. Yet the media call him a top criminal," she said.