Pity you did not include the timeline.
Did you make a New Sequence from clip (right click on sequence (with the stacked clips) in Project Window and opened that on the timeline?
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Set the Project Window to icon view, now you can hover with your mouse over the thumbnails.
Click on the thumbnail and you can set in and outpoints.
Double click and it will open in the Source Monitor.
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Adobe Certified Expert Premiere Pro CC
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Turn on Video Usage and Audio Usage in the Metadata Display of the Project Window. Then go to the clip in the Project Window you want to find on the timeline and twirl down the triangle for Video or Audio Usage.
When you select the playhead will be placed at that clip in the timeline.
Offline clips are Red not hard to miss.
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Adobe Certified Expert Premiere Pro CC
Adobe Community Professional