The Northern Territory Police Force can confirm a body has been located as part of the investigation into a missing 5-year-old girl.
The body is believed to be that of the young girl, and was found by police officers around 5km south of Old Timers Camp shortly before midday.
A formal autopsy will be scheduled to confirm the cause of death.
A coronial investigation will now begin.
The family have requested she now be referred to as Kumanjayi Little Baby.
The Northern Territory Police Force Commissioner Martin Dole said, "This is devastating news not only for the immediate and extended family, but also the first responders, the Alice Springs community, and all those around Australia who have been worrying for this little girl."
"The support shown during this time has been overwhelming and this is the worst outcome.
"It is very important the Alice Springs community continues to support one another, and it is equally important that the police continue to do their job.
"Anyone who has any information about the whereabouts of Jefferson Lewis needs to contact police immediately on 131 444 or 000."
Anonymous reports can be made through Crime Stoppers on 1800 333 000 or via https://crimestoppersnt.com.au.
The below is a statement from Kumanjayi Little Baby's mum:
To Kumanjayi Little Baby,
Me and Ramsiah miss and love you.
I know you are in heaven with the rest of the family with Jesus and the Father, Son and Holy Spirit.
Me and your brother will meet you one day.
We are giving our lives to Jesus.
It is going to be so hard to live the rest of our lives without you.
Ramsiah wants to tell you that when he sees you in heaven, he is going to give you the biggest hug ever.
Love from Mum and Ramsiah.
The family have also thanked all the volunteers who have helped with the search so far, everyone who has come from interstate, police, land councils, and everyone else that has turned up every day to look for Kumanjayi Little Baby.
The family have requested the attached photo of Kumanjayi Little Baby be used in media reporting.
