Complex sentence: When he takes Laura to the airport to seal her in the cargo container he discovers he is being tracked when he finds a transmitter in his knife, and he rushes her out of the container just as his old team arrives to apprehend them.
Split into simpler sentences: When he takes Laura to the airport to seal her in the cargo container, he discovers he is being tracked when he finds a transmitter in his knife. He rushes her out of the container just as his old team arrives to apprehend them.