London, Canada

This killer is 18-30 yrs old, organized and a very structured male.
He is an attention seeker with low self-esteem, and known to be that way by others.
His posing of the animals, is an antisocial message, for the public first finders and a taunting of the authorities. He may have even been diagnosed with an Antisocial Personality Disorder.
He may wait and watch first finders to see their expression. He may even video their response.
He wants to instill fear in the population of the surrounding  area.
He surveys the areas for witnesses and cameras before he poses dead animals.
He is acting out his rage of being rejected from someone in his family, and from a school, job, or career.
He could have a known previous history of animal abuse or arson.
He enjoys bragging about his hunting skills and animal conquests on social media.

He may want to turn himself into authorities and explain his actions to the millions of people who are interested in interviewing and seeing him.

As soon as new information becomes available, it will be posted.