nbc s ron mott reports from san juan. reporter: the usual lush green u.s. virgin islands are a lifeless dull brown tonight torn apart by irma. many hopes damaged and destroyed and looming and burglaries reported and american service members arriving to clean up. home invasions are high, armed robbery. that s a big concern. lots of people are walking around armed. reporter: brittany gonzalez worried about her husband still there. it s not going to be the same st. john and we don t know if it can even be our home again. reporter: further south, the hurricane is said to have destroyed more than 90% of the island. american medical student shot this video of the damage where he lives, cars tossed around the parking lot finally able to leave on an american military plane. tonight he s in puerto rico.