Eighteen months ago, Ashley Fontaine and her stepson, Grant, arrived home to find the house ransacked and the family patriarch dead.

Detectives Armstrong and Murphy investigated the case and had Philip Fontaine's alleged killer in custody within a few weeks.

Now, on the eve of the suspect's trial, the defense claims to have proof that someone else was responsible.

The detectives and the prosecutor are reviewing the case file to prepare for the defense's argument.

Did they arrest the right person?

Examine the evidence and share your thoughts in the comments.

Tip: Want to find out what's happened so far in the Raw Deal investigation? Check out the Case Recap.

Coming up … What insight did the household staff provide into what happened that night?