[Flick Lives]

...said he dealt with ‘hundreds of patients’ including special forces officers and other military personnel hurt after interacting with unidentified craft, some of whom later died.

—

Most technology is extremely dangerous to someone who has no understanding of it. Imagine someone from the mid-18th Century transported to the early 21st. How long would it be before they accidentally killed themselves with an electrical appliance they would not understand or get run over by a vehicle when they wander out into a roadway.

[larrytown]

...said he dealt with ‘hundreds of patients’ including special forces officers and other military personnel hurt after interacting with unidentified craft, some of whom later died.

Might as well say, "some who haven't died yet"