He assured residents of commitment to protecting the lives and property of citizens.
The police said that 116 other criminal cases and 17 unnatural offences were under investigation.
The police command in Yobe says it has detained a 29-year-old man who allegedly posed as a naval officer and defrauded several traders.
The police spokesman said 47 ATM cards, four cell phones, and a Mercedes Benz car were recovered from the suspects.
The spokesman said the syndicate sometimes posed as commercial bank officials on a duty to upgrade customers’ accounts.
“Isa callously murdered Adamu to avoid repaying the debt, killing him in cold blood,” a police statement alleged.
He said that the gunmen also dropped some fliers with Arabic inscriptions.
The state police spokesperson said that the suspects would be charged to court upon completion of investigation.
The police command in Yobe says it arrested 18 suspects in connection with Thursday’s violent protest and vandalism in Nguru, Potiskum and Gashua towns.
The police command in Yobe says the Boko Haram insurgents have planned to infiltrate the forthcoming #EndBadGovernance protest in August.
