Sometimes it seems that to find your way around today's Panama City, you must look up.
Like the canopy of a forest, about 300-odd skyscrapers have redefined the city's skyline. The relentless construction has helped fuel the highest growth rate in the Americas, year after year.
But now that boom may result in a bust — several busts, in fact, of prominent Panamanian figures under criminal investigation, perhaps including former President Ricardo Martinelli.
Corruption has long been seen as a way of life in little-regulated, intrigue-drenched Panama, the skinny canal-bisected country that links the two American continents. Yet the cases mounting in the aftermath of...