Rishan Faraji, another accused of Barguna Rifat Sharif murder case, was arrested on Wednesday.
Superintendent of police Maruf Hossain disclosed the matter at a press briefing at his office on Thursday.
He said police arrested him on Wednesday but the place was not mentioned for the interest of investigation.
Rishan is the son of Dulal Faraji of Dhanshiri road of Ward No 4 of Barguna Pourashava. He is also the younger brother of second accused Rifat Faraji.
In the press briefing, the police officer said 15 accused including Minni, so far, have been arrested.
Earlier on July 2, the mastermind of the murder Nayan Band was killed in an encounter with police.
On July 3, Police arrested another suspect Rifat Faraji in the Rifat Sharif murder case.
On June 26, Rifat Sharif, 22, was hacked to death by criminals in front of his wife in broad daylight in the district town. The incident was caught on surveillance camera.
