(CNN) -- A former handyman charged in the 2007 fatal shooting of the editor of the Oakland (California) Post will plead guilty next week in his death and another killing, the man's lawyer said Friday.
Under a deal reached with prosecutors, Devaughndre Broussard, 21, also will testify against Yusuf Bey IV, owner of Your Black Muslim Bakery, who he said ordered the killings to prevent the weekly newspaper's editor, Chauncey Bailey, from publishing an investigative story about the bakery's finances and other issues.
Broussard is expected to testify early next week before a grand jury considering charges against Bey in Oakland Superior Court in Alameda County.
Prosecutors have agreed to a 25-year sentence for Broussard, which will mean about 20 years in prison, counting time already served, his attorney, LeRue Grim, told CNN. Broussard is being held in North County Jail in Oakland.
"He's pleading to two counts of voluntary manslaughter because he killed two people," Grim said. In addition to the impending Oakland Post article, the lawyer said Bey blamed Bailey for the death of Bey's father, saying he caused him stress.
Broussard said he gunned down Bailey August 2, 2007, while the 57-year-old editor was on his way to work in downtown Oakland. Prosecutors said he shot him three times with a sawed-off shotgun. Broussard was arrested the next day and pleaded not guilty.
According to Broussard, Bey ordered him and Antoine Mackey to kill the editor.
Grim said his client also will testify that he killed another man at Bey's behest, and that a third man who was involved in Bailey's killing shot and killed someone else under orders from Bey.
"All three killings were ordered by Yusuf Bey IV," Grim said.
Broussard told authorities that Bey kept a hit list of people he felt were opposed to his business, and he sought revenge, Grim said. The list was attached to a clipboard, and Bailey was on it, Grim said.
Chris Lamiero, Alameda County's deputy district attorney, said he couldn't comment on the case.