If both those ideas were wrong, was there a third possibility?

Laura told her, "Sure, there's a third possibility. We need to think bigger. Mr. Garland's death not only casts doubt on your project but also will make others doubt the quality and practicality of the artificial heart. What if someone wanted to sabotage your work? What if they poisoned Mr. Garland to make it look like the artificial heart isn't reliable?"

Camila's eyes widened as the pieces clicked into place.

“I understand!"

“Really? What do you understand?" Laura asked.