Members of the Penobscot County Sheriffs Department in Maine gave Liam a ride to this very last, and very important, cancer appointment.
"To see how strong he is as an individual is something that I admire. He's faced a lot of adversity through this and he's a strong individual,” said Dan Gastia with Bangor PD.
Another reason it was so special for Liam? He wants to grow up to be a police officer -- just like Dan, his “favorite” police officer.
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"Pretty exciting when the young man gets to get in the vehicle and use the radio and he inspired us and we thought we were here for him and I think he's done so much for our community for all of us just a blessing to be a part of it,” Troy Morton from Penobscot County Sheriffs Department said.
Liam’s mom says he is her inspiration.
"He's just amazing. He is is my inspiration, he's a great kid."