Are there any known and verified examples of sabotage of a launch vehicle destined for Earth orbit or beyond?
...or at least widely regarded as 'very likely'? Attempted but unsuccessful examples could count if they came really close. Rock throwing wouldn't count for example.
Sub-orbital launches are excluded, as they could be weapons delivery (actual or tests) and sabotage could be considered self-defense. "Pilot error" type events are also excluded. I'm asking about things like this:
above: Screen shot or file photo from the Star Trek original series episode Assignment: Earth, (#20, Season 2) where Gary Seven is sabotaging a rocket launch. This is the only image of rocket sabotage I could find, but this kind of thing wouldn't count for this question as it was a sub-orbital launch. Photo from here.