The father wrote an op-ed that others are co-opting to add to their anti-Trump rhetoric.
"I encourage the debate on immigration; there is great merit in its reasonable outcome. But do not appropriate Mollie’s soul in advancing views she believed were profoundly racist. The act grievously extends the crime that stole Mollie from our family and is, to quote Donald Trump Jr., “heartless" and "despicable.”"
https://www.desmoinesregister.com/story/opinion/columnists/2018/09/01/mollie-tibbetts-father-common-decency-immigration-heartless-despicable-donald-trump-jr-column/1163131002/