Continuity mistake: When the phone rings, it is six centimetres away from the lamp, but in the next shot, it is fourteen centimetres away. Also, the cabinet is three centimetres away from the top of the planks directly above it, but in the next shot, it is six centimetres away. (00:04:34)
Continuity mistake: When Officer Jenny is surprised when she notices Ash, her grip on the intercom changes between shots. (00:02:11)
Answer: He is a good guy but just found himself in a bad situation when he worked for Lysander. He didn't want him to harm Ash and his Pokémon when he was trying to get the special bond between Ash and his Greninja to work. He does leave Lysander and go back to being a good person.