The teacher told his mother something "didn't seem quite right" with the two-year-old.
The Independent Police Conduct Authority says the officer punched her after a bite attempt.
A firearm was discharged for a second time about an hour later.
Tauranga woman Rebekah Storey, 29, hasn't been seen since Wednesday, September 9.
A helicopter found the empty vehicle but its driver had escaped.
A report outlining potential opportunities for the sector was released on Thursday.
The crash occurred shortly before he was scheduled to fly home to Samoa.
A person has died following a crash in Bay of Plenty.
The driver was taking a break on the side of the road when the alleged incident happened.