DCPI Moore brings Frank "a change of clothes and a Dopp kit" at the hospital. A Dopp kit is a men's toiletry kit, generally containing shaving tackle, deodorant, a comb, and a few other supplies. They became known generically by this name after it was a brand name used by GIs in World War II, although the name is now falling out of use.
In this episode, the plot summary should read that Henry had a heart attack. He didn't have a stroke as noted.
The policemen refer to an EDP. this means an Emotionally Disturbed Person.
There is a reference to the JTTF. This is the Joint Terrorism Task Force.