Reporters and spectators outside the Arthur M. Cromarty Court Complex...

Reporters and spectators outside the Arthur M. Cromarty Court Complex in Riverhead where alleged Gilgo Beach serial killer Rex Heuermann is expected to plead guilty. Credit: Newsday/James Carbone

The gravity of Rex Heuermann's alleged crimes has Long Islanders coming out early to the courthouse where a guilty plea is expected today. 

Patti Rozea and her daughter, Katie Ann Rozea, of Babylon, lined up outside the courthouse to make sure they got a seat in the courtroom.

They said that they were "shocked by the inhumanity of the killings."

"I don't think you can avoid violence and danger in the world we live in, but you just have to be careful," Rozea said.

There are now more than 60 people in line to enter the Riverhead courthouse, where  Heuermann is expected to plead guilty at 11 a.m.

Get the latest news and more great videos at NewsdayTV Credit: Newsday

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