Shayla Harris

While battling Alzheimer’s disease, Deenie Hartzog-Mislock’s grandmother invents a wild story and the family learns to love an imaginary man named Nick Stephanopoulos.

FRONTLINE and ProPublica go inside Europe’s fight against terrorism — the missed warnings and the lingering vulnerabilities.

Once a devout Christian, Arla Knudsen wore a silver purity ring symbolizing no sex before marriage until, at 16, she stopped believing and it became her mission to lose her virginity.

While battling Alzheimer’s disease, Deenie Hartzog-Mislock’s grandmother invents a wild story and the family learns to love an imaginary man named Nick Stephanopoulos.

FRONTLINE and ProPublica go inside Europe’s fight against terrorism — the missed warnings and the lingering vulnerabilities.

Once a devout Christian, Arla Knudsen wore a silver purity ring symbolizing no sex before marriage until, at 16, she stopped believing and it became her mission to lose her virginity.