Two Kinds of Truth by Michael Connelly

I love the character of Harry Bosch, now retired LA police detective. He's currently working part-time mostly on cold cases for the San Fernando police department. But when a father and son are found dead inside a local pharmacia, Harry is back to working an active homicide case--and where it takes him almost costs him his life. At the same time, Harry is trying to defend his reputation when a decades-old case pops back up along with allegations that he had planted evidence.

As always, couldn't put it down. The book ends with another cold case that has caught Harry's interest.I can't wait to see what's in store next for our hero.