1-He wasn't a criminal like you said he was.
2-He wasn't a criminal like you described him to be.
3-He wasn't a criminal like you described him.
4-He wasn't a criminal like you claimed.
5-He wasn't
the criminal you described him to be.
6-He wasn't
the criminal you claimed him to be.
In which cases:
a-He was not a criminal at all although you said he was
in which cases:
b-He was a criminal but not of the kind you said he was
and in which cases:
c-We can't tell