Must we show an employee the video that caught her behaving badly?

Q: We suspended an employee for a complaint made by a client about her use of a cellphone while driving a group of children. The client took video of her having the cellphone in her hand while driving, and video of her swerving all over the road because of this. This employee argued during the write-up and suspension meeting and demanded to see the video. I have received a few of the videos; do we have to show her the proof?  – Anesa, Texas