Four months after the tragic collapse of a wing of the 12-story Champlain Towers South residential condominium in Surfside, Fla., the Miami-Dade police gave private forensic investigators access to the site, but for measurements only.

Under the county's equitable distribution program, the Miami-Dade Police Department is seeking a qualified local forensic engineer with high-rise experience and familiarity with concrete construction to study a recent collapse in Surfside, immediately north of Miami Beach. 

The National Institute of Standards and Technology team has collected more than 200 building elements while refining its procedures for evidence identification.