AUSTIN (KXAN) - In the first three weeks of March, Austin has been hit by four bombings that are believed to be connected.
This timeline of events will be updated as the investigation progresses:
Friday, March 2
6:55 a.m. - Package bomb explodes on a front porch at 1112 Haverford Dr. in northwest Austin, killing 39-year-old Anthony Stephan House.
Monday, March 12
6:44 a.m. - Package bomb brought inside a home at 4806 Oldfort Hill Dr. in east Austin explodes in the kitchen, killing 17-year-old Draylen Mason and injuring his mother.
11:50 a.m. - Package bomb outside southeast Austin home at 6708 Galindo St. explodes when picked up by 75-year-old Esperanza Morena Herrera, who was critically injured by the blast.
2:30 p.m. - Gov. Greg Abbott announces a $15,000 reward for info leading to the identification and arrest of the person or people responsible.
Tuesday, March 13
4 p.m. - Austin Police Department announces $50,000 reward on top of governor's $15,000 reward.
Sunday, March 18
2 p.m. - Reward increases to a total of $115,000. Chief Manley, addressing person or people responsible, pleads with them to come forward before anyone else is injured or killed.
8:30 p.m. - First responders called to the Travis Country neighborhood in southwest Austin where a bomb exploded near the street in the 4800 block of Dawn Song Drive, injuring two men in their 20s who were either riding or walking their bicycles.
Monday, March 19
1:30 a.m. - In an early morning update, Chief Manley says it is "very possible" the fourth bomb was triggered by a trip wire next to the road. He expands his warning about suspicious packages to all suspicious items, urging people to call 911 rather than touch or move them themselves.
2:30 p.m. - Gov. Abbott's office issues $265,500 in emergency funding for APD to purchase seven portable x-ray machines.
Tuesday, March 20
12:30 a.m. - Package explodes at FedEx distribution center in Schertz, Texas — just northeast of San Antonio. The package was sent from a FedEx store at 5601 Brodie Ln. in south Austin. The package, which exploded during sorting, was bound for an Austin address.
6:19 a.m. - Suspicious package found at FedEx facility at 4117 McKinney Falls Pkwy in southeast Austin. A source told NBC News officials were going to blow up a suspected bomb found at the facility, which is next to the Austin airport.
9 a.m. - The FedEx store on Brodie Lane is closed and cordoned off by police.
Wednesday, March 20
12:00 a.m. - Authorities swarm a home in the heart of Pflugerville and tell residents nearby to shelter in place.
2:00 a.m. - Police and federal agents were following the suspect as he tried to drive away from a hotel where he was staying. The suspect got stuck in a ditch and a standoff ensued. The suspect triggered an explosive device, killing himself and knocking a SWAT officer to the ground. Another SWAT officer shot the suspect.