Select Case Statement

INSERT INTO #rpt(Hic, DtImported, Source, PlanID, LastName, FirstName, MemID, CaseStatus)
SELECT
s.Hic,
s.DtImported,
s.Source,
dbo.LastErolledPlan_C_D(s.Hic,s.IsPart_C) as PlanID,
m.LastName,
m.FirstName,
dbo.GetMemID_PartC_D(s.Hic,s.IsPart_C) as MemID,
s.CaseStatus = CASE WHEN CaseStatus ='1' or CaseStatus='0' THEN 'New'
CASE WHEN CaseStatus <>'1' or <> CaseStatus <>'0' Old

ElSE 'No Valid'
End


from tbEsccSuspects s inner join tbPDMMembers m
on s.Hic = m.HicNumber
Where s.EUFStatus = 1 -- AND DtEUFSent is NULL


what I am doing wrong in the case statment that I am getting an error. ?????