This post has been updated—-

A lone shooter killed 4-5 people and injured several more Friday at the Ft. Lauderdale Airport in Florida.

Reports: Lone Gunman — Who is in Custody

Shooter Identified: Esteban Santiago

Shooter Esteban Santiago was born in 1990.

He is 26 years old.

Here are several photos of Esteban Santiago.

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#EstebanSantiago is Muslim member of our military #5 arrested for plotting or carrying out a terror attack since 2015#FtLauderdaleShooting pic.twitter.com/qOeIPsn6sG — Project Purge 🇺🇸 (@_ProjectPurge) January 6, 2017

Many readers are suggesting his finger gesture is the ISIS one finger salute.

Editor’s Note: An earlier version of this story claimed CNN had doctored a photo of the killer. The photo was not accurate and was not posted by CNN today after the Ft. Lauderdale shooting.