Newly released satellite images reveal catastrophic damage caused by the Hill Country floods along the Guadalupe River.

Along the Guadalupe River, a 60-room inn and nearby homes were quickly filling with water. Confusion, desperation and heroism ensued.

Also: San Antonio mourned the victims in a Travis Park vigil; UTSA said one of its teachers died in the Guadalupe River flood; Kerrville officials said a privately owned drone collided with a helicopter conducting search and rescue operations.

Officials in Kerr County are expected to hold a press conference Wednesday morning on recovery efforts as the stark numbers of missing and deceased from the Hill Country flooding rise.

A Kerrville-area river authority executed a contract for a flood warning system that would have been used to help with emergency response, local officials said.

Brooklyn and Bailey McKnight's little sister, Paisley, was at a camp on a smaller arm of the Guadalupe River. The 14-year-old was "just miles" away from Camp Mystic in Central Texas, which has been devastated by the deadly floodwaters spurred by extreme rainfall on July 4.

Without a modern flood warning system, emergency officials monitor four sensors along the Guadalupe River – including one that was knocked out in the

As the floodwaters rushed into Kerrville, Texas, under the cover of darkness on Friday morning, officers jumped into action to evacuate over 100 homes and rescue more than 200 people in one hour, the police department said.