Mass shooting in a train station. Widowed husband suspected of now killing the father of the shooter.

[Ryan]

A woman is killed in a mass shooting at a train station (nyc maybe?) and years later her widowed husband is accused of killing the father of the boy who was the shooter. His daughter and a friend are tasked with proving his innocence....help!!!

[Lobstergirl, au gratin]

When did you read it?
When is it set?
Cover?

[Ryan]

Present day.... I listened to an audiobook so I’m not sure

[Andria]

I think this is The Ex

[Lobstergirl, au gratin]

Ryan, was your book "The Ex" or are you still looking?