Did USA Gymnastics try to silence McKayla, Aly and Maggie?
Dozens more have been injured or arrested amid the protests against revisions proposed by President Daniel Ortega's government.
"It is unlikely that all traces of evidence could be removed but it could be tampered with," one expert said.
The suspect is believed to have fled after a customer grabbed his gun.
The gymnast says she spoke up after team doctor Larry Nassar 'went overboard'