The placement of Alice's bandanna after she is killed is different than in the initial discovery of her body.
The 1943 aircraft factory in Philadelphia is shown to be manufacturing P-51 Mustang fighters and AT-6 Texan trainers, and a character makes references to building B-25s. Those aircraft were built by North American Aviation which did not have a factory anywhere near the Philadelphia area. Their factories were located in Los Angeles, California, Dallas, Texas, Kansas City, Kansas and Columbus, Ohio.
AT 30.36 Alice and Buddy are talking in a car. You can see little bags of weight (often used to keep lights from falling over) underneath the front wheel to keep it from moving away.