It sounds like the police are telling her that they have evidence implicating her and she better fess up, but they didn’t have any evidence.
And the police were lying and telling her that Solecito had
said that they weren’t together that night and that has thrown her for a loop.
Interrogators and lawyers are allowed to lie but not suspects. She didn’t know that and is somewhat confused — but she admits to it.
I don’t know, Uncle Chip.
In the statement, she could be admitting that she’s a little bit confused.
Or, she could be pretending to be confused now that she’s been caught in a lie.