Rizzoli & Isles (9 p.m., TNT) – An accountant is gunned down, drawing Jane and Maura into a sophisticated Ponzi scheme. Also, Jane makes a life-changing career decision. With the show in its final season, it’s a good bet that FBI job will finally happen.
Also on tonight . . .
Summer Olympics (NBC, other channels) – The games continue. Look for more diving, beach volleyball, track and field and gymnastics. Check out the full TV and live-stream schedule at nbcolympics.com.
Guilt (9 p.m., Freeform) – British tabloids shred Grace as she stands trial for Molly’s murder.
Mistresses (10 p.m., ABC) – Lydia creates an online dating profile using Karen’s picture.
Major Crimes (10 p.m., TNT) – Flynn and Tao investigate the mysterious death of a young Hollywood star.