Texas officials say 161 people are still considered missing after devastating July 4 floods. But the count of the missing may not be very precise.

Here’s what to know about the deadly flooding, the colossal weather system that drove it in and around Kerr County, Texas, and ongoing efforts to identify victims.

Heavy rain poured over the Texas Hill Country on Independence Day, with the flooding causing more than 100 deaths. Here's a timeline of the disaster: On July 2, the Texas Division of Emergency Management said it activated "state emergency response resources in anticipation of increased threats of flooding in parts of West and Central Texas heading into the holiday weekend.