The delta between POTUS tweets was 1:27:16
Interesting that 1-27-16 is exactly three years ago.
POTUS Also ended the tweet with DHS.
On 1-27-16 The DHS Office of The Inspector General (OIG) issued the attached report.
https://www.oig.dhs.gov/assets/Mgmt/2016/OIG-16-27-Jan16.pdf