Last month, Davenport firefighters found 44-year olds Brian Goodwin and Amy Smith dead in an apartment on fire, on the 5200 block of Division St.
Davenport police charged 34-year old Devon Braet and 27-year old Adriana Blake with two counts each of first degree murder and abuse of a corpse, plus second degree arson and several other charges.
Braet and Blake were already in custody for unrelated charges. A third person, 49-year old Melisa Weber, was arrested as an accessory after the fact and booked into the Scott County Jail. Weber is also charged with arson and abuse of a corpse.
The investigation is ongoing.