The 28-year-old body was tragically found in two suitcases in Coleford, Gloucestershire, Tuesday May 12.
She was appointed as West Midlands police detectives who investigated the murder after working closely with the Gloucestershire Constabulary.
It is still unknown where Phoenix was killed and officers continue to follow a number of investigations to determine what happened.
Family Force Liaison Officers work with the victim’s family during this devastating time.
A statement issued on behalf of the Phoenix family reads: “As a family, we are devastated by what happened in Phoenix.
“We very humbly ask that our family’s privacy be respected while we mourn and accept the loss of Phoenix in such tragic circumstances.
“Although we understand that this is news, we hope everyone can understand why we have to be alone in this very difficult time.
“We have family and good friends who support us and we thank them all. We also thank all the police officers involved in the investigation for their hard work and their sensitivity. ”
This morning (May 19), two people charged with the murder appeared in Gloucester Crown Court.
Gareeca Conita Gordon, 27, of Salisbury Road, Birmingham has been charged with the murder of a woman on or before May 12.
Mahesh Sorathiya, 38, of Denmore Gardens, Wolverhampton, was charged with assisting an offender on or before May 12.
Gordon was placed in pre-trial detention, while the court granted Sorathiya conditional release, and the two are scheduled to appear at Bristol Crown Court on August 4.
Chief Detective Inspector Scott Griffiths of the West Midlands Police Homicide Team added, “First, I would like to offer my sincere condolences to the Phoenix family.
“We have worked closely with colleagues from Gloucestershire over the past week and our investigation is continuing at a brisk pace.
“We invite anyone who has information about the tragic loss of life in Phoenix to contact us. “
Anyone with information can contact the West Midlands Police via live chat on our website or call 101 at any time.