One day after officials in California rejected Erik Menendez’s bid for parole, his older brother will appear before commissioners Friday and hope for a different outcome.

Erik Menendez was denied parole by panel of California commissioners Thursday.

“A piece of my letter that the commissioner named Robert Barton probably didn’t even read,” Erik’s adopted daughter, Talia, whom he shares with wife Tammi Menendez, wrote via Instagram on Thursday, A...