Somewhere between “nothing to see here” and “uh… maybe panic?” sits the growing mystery unfolding in recent years: at least 11 U.S. scientists tied to nuclear, aerospace, and defense work who have either gone missing or turned up dead.

Lawmakers are now waving red flags, calling the pattern too coincidental to ignore, while federal agencies scramble to investigate whether this is just a bizarre string of bad luck or if it’s something more intentional.

According to a story from the Daily Mail, we’re talking rocket scientists, nuclear experts, even a retired Air Force general. And Congress is asking that the Pentagon, FBI, NASA and the Department of Energy look into the matter.

President Donald Trump has said he hopes the cases involving the missing and dead scientists are random, but expects answers soon. White House Press Secretary Karoline Leavitt confirmed that the FBI is actively looking into the situation.

The official line so far? No confirmed connection. Just a series of unusual cases.

Some experts say investigators will likely uncover some crazy stuff but not necessarily a grand conspiracy. Others aren’t so sure – raising concerns about foreign adversaries possibly taking an interest in America’s top minds.

For now, the government insists there’s no smoking gun tying these cases together. But when highly specialized experts start disappearing like loose change in a couch cushion, it’s hard to chalk it all up to coincidence. Whether it turns out to be bad luck, bad actors, or something in between, one thing is clear: this is one mystery that isn’t going away quietly.