Rosenfelt, David. Andy Carpenter novels #29

Thorndike Press large print mystery series

Retired lawyer Andy Carpenter has run the Tara Foundation - the dog rescue organization named after his beloved golden retriever - for years. It's always been his calling, even as Andy's pulled into representing clients in court. His investigator, Marcus Clark, has been at Andy's side for a long time. Even though they've known each other for years, Marcus keeps his personal life a mystery. So it's a shock when Marcus arrives at the Tara Foundation with two strangers in tow. Turns out Marcus takes disadvantaged young men under his wing, gets them jobs, a place to live,and a chance at a different life. And they want a dog. Andy's specialty. One of the young men, Nick Williams, instantly falls in love with one of the dogs, Daisy. When there's a mass shooting at Nick's work, leaving six dead, all signs point to Nick. Marcus, who's never asked Andy for anything, asks Andy for help. Despite Nick's troubled background, Andy trusts his friend and takes the case