Trivia: Alan Ritchson, who portrays Rafael in this film and the sequel "Out of the Shadows," has stated that the actors portraying the four turtles were mistreated on-set and by the studio. As they were technically portraying animated characters through motion capture, their contracts were reportedly "full of loopholes" that didn't afford them equal treatment with the rest of the live-action cast, despite them being on-set full-time doing grueling work in motion-capture suits. One particular instant included the four turtle actors being kicked off set at the end of a 14-hour day without transportation home, while the rest of the cast and crew were given rides. They also weren't paid overtime like the rest of the crew, were barred from giving interviews despite portraying the titular characters, weren't invited to the premier, and were subsequently denied back-end profit shares from the sequel that they had been promised.
Trivia: When Splinter reveals that he knows April and she speaks his name, the camera pans over Mikey as he asks if she is a Jedi and he can be seen holding a can of Orange Crush. As promotion for the movie, Mikey was featured on the boxes of Orange Crush soda once the movie came out. Similarly with Donnie on Grape Crush and Raph on Strawberry Crush.
Answer: She was trying to send them away to save them from the experiments. The first place to search if some experimental animals get lost are the houses of the people that are involved.
Anastasios Anastasatos