A magistrate commissioner on Wednesday ordered Michael Portis, accused of fatally shooting a Domino’s delivery driver, to be held without bond on one count of first-degree murder.

Portis, 24, was booked in the death of Michael Price, a 36-year-old father of three gunned down March 24 in the Lower 9th Ward. Police have said the shooting happened before 1 a.m. in the 6100 block of North Roman Street in an apparent robbery.

According to court documents, police arrested Portis after Detective Travis Ward was contacted by a “known subject” who told him Portis had been the shooter. An arrest warrant says Ward found an unnamed witness who said he had seen Portis in the area of the shooting about four hours before Price was killed.

Ward testified Wednesday that police later searched Portis’ home and confiscated his cellphone. He said data from the phone showed Portis was in the Lower 9th Ward about the time of the shooting.

Portis’ attorney, Dennis Moore, argued there was not enough evidence for the authorities to hold Portis. He contended the witnesses in the case had been motivated by a Crimestoppers reward and that Ward failed to interview a key witness, but Commissioner Robert Blackburn found probable cause to order Portis jailed without bond.