Material Support and Association
September 11This thread traces how the statutory definition extends from direct violence to assistance, preparation, fundraising, and recruitment.
increasing
Bearing strength in each event
decreasing
Knowing Assistance

Knowing Assistance
A wider definition
The law treats a person as engaging in terrorist activity when they commit an act or knowingly assist another person, organization, or government.
Support as conduct
The definition shifts attention from who performs an attack to who helps make it possible.
Preparation and Planning

Preparation and Planning
Work before an attack
Preparing or planning a terrorist act appears among the activities that can constitute engagement in terrorism.
Liability before violence
This provision makes preparatory conduct legally significant even before an attack is carried out.
Target Information

Target Information
Collecting intelligence
Gathering information about potential targets is identified as a form of assistance.
The attack's enabling stages
The provision recognizes that information gathering can form part of a chain leading to violence.
Resources and Safe Houses

Resources and Safe Houses
Practical assistance
The definition includes safe houses, transportation, communications, money, false documents, weapons, explosives, and training supplied with the required knowledge or reason to believe.
A broad support network
Ordinary forms of logistical aid become legally significant when connected to a planned or completed terrorist act.
Funding and Recruitment

Funding and Recruitment
Financing activity
Raising funds or other valuable items for a terrorist act or organization is included.
Encouraging participation
The statute also includes inducing a person to join a terrorist organization or government, or to engage in terrorist activity.
After the statute lists direct acts
At the first enumerated support activity
As the support list continues
During the detailed material-support clause
At the end of the material-support provisions