Todd Gunther, a National Transportation Safety Board investigator, explained the process the agency will use to investigate Sunday’s plane crash in Lancaster County that killed its pilot.

Investigators are still trying to learn why a private airplane crashed Monday in Ashland County. The weather is a leading suspect, according to Todd Gunther, an air safety investigator for the ...

Todd Gunther, an air security investigator with the NTSB explains preliminary investigation details in a news conference Friday, May 20, 2016. (GERALD WITT / NEWS SENTINEL) ...