A 30-year-old man from Tranmere has been recalled to prison on licence, Merseyside Police said.
A woman, 19, from Rock Ferry who was arrested on Monday on suspicion of conspiracy to murder has been bailed.
Ms Edwards, 26, was shot dead at the Lighthouse Inn in Wallasey Village in the Wirral on Christmas Eve.
A 31-year-old man arrested on Thursday on suspicion of conspiracy to murder remains in custody, the force said.
Anyone with information is asked to DM Merseyside Police Contact Centre or contact @CrimestoppersUK anonymously on 0800 555 111 quoting reference 22000948723.
More news from Wallasey