When the assassin draws his knife it is already bloody before he stabs Annie's contact.
Augie says 1967 was the last year the Corvette had high performance. In reality the 427 cubic inch, 435 horsepower, L71 engine was available in 1968 and 1969. 1968 was the year the C3 Corvette with its iconic drop nose hood was introduced. 1968 and was the start of the modern era design.
Little Magnus's cottage Krontorp has the wrong type of electrical outlets for a Swedish home.
When Annie is struggling with the assassin in what appears to be a kitchen she lands on the floor in the back ground behind her on the right is a power outlet which is clearly North American.