diff --git a/client/src/components/AmendViolationModal.jsx b/client/src/components/AmendViolationModal.jsx
new file mode 100644
index 0000000..c9dbd91
--- /dev/null
+++ b/client/src/components/AmendViolationModal.jsx
@@ -0,0 +1,205 @@
+import React, { useState, useEffect } from 'react';
+import axios from 'axios';
+
+const FIELD_LABELS = {
+  incident_time:  'Incident Time',
+  location:       'Location / Context',
+  details:        'Incident Notes',
+  submitted_by:   'Submitted By',
+  witness_name:   'Witness / Documenting Officer',
+};
+
+const s = {
+  overlay: {
+    position: 'fixed', inset: 0, background: 'rgba(0,0,0,0.8)',
+    zIndex: 2000, display: 'flex', alignItems: 'center', justifyContent: 'center',
+  },
+  modal: {
+    background: '#111217', color: '#f8f9fa', width: '520px', maxWidth: '95vw',
+    maxHeight: '90vh', overflowY: 'auto',
+    borderRadius: '10px', boxShadow: '0 8px 40px rgba(0,0,0,0.8)',
+    border: '1px solid #222',
+  },
+  header: {
+    background: 'linear-gradient(135deg, #000000, #151622)', color: 'white',
+    padding: '18px 22px', display: 'flex', alignItems: 'center', justifyContent: 'space-between',
+    borderBottom: '1px solid #222', position: 'sticky', top: 0, zIndex: 10,
+  },
+  headerLeft: {},
+  title:    { fontSize: '15px', fontWeight: 700 },
+  subtitle: { fontSize: '11px', color: '#9ca0b8', marginTop: '2px' },
+  closeBtn: {
+    background: 'none', border: 'none', color: 'white', fontSize: '20px',
+    cursor: 'pointer', lineHeight: 1,
+  },
+  body: { padding: '22px' },
+  notice: {
+    background: '#0e1a30', border: '1px solid #1e3a5f', borderRadius: '6px',
+    padding: '10px 14px', fontSize: '12px', color: '#7eb8f7', marginBottom: '18px',
+  },
+  label:   { fontSize: '11px', color: '#9ca0b8', textTransform: 'uppercase', letterSpacing: '0.5px', marginBottom: '5px' },
+  input: {
+    width: '100%', background: '#0d0e14', border: '1px solid #2a2b3a', borderRadius: '6px',
+    color: '#f8f9fa', padding: '9px 12px', fontSize: '13px', marginBottom: '14px',
+    outline: 'none', boxSizing: 'border-box',
+  },
+  textarea: {
+    width: '100%', background: '#0d0e14', border: '1px solid #2a2b3a', borderRadius: '6px',
+    color: '#f8f9fa', padding: '9px 12px', fontSize: '13px', marginBottom: '14px',
+    outline: 'none', boxSizing: 'border-box', minHeight: '80px', resize: 'vertical',
+  },
+  divider: { borderTop: '1px solid #1c1d29', margin: '16px 0' },
+  sectionTitle: {
+    fontSize: '11px', fontWeight: 700, color: '#9ca0b8', textTransform: 'uppercase',
+    letterSpacing: '0.5px', marginBottom: '12px',
+  },
+  amendRow: {
+    background: '#0d0e14', border: '1px solid #1c1d29', borderRadius: '6px',
+    padding: '10px 12px', marginBottom: '8px', fontSize: '12px',
+  },
+  amendField:    { fontWeight: 700, color: '#c0c2d6', marginBottom: '4px' },
+  amendOld:      { color: '#ff7070', textDecoration: 'line-through', marginRight: '6px' },
+  amendNew:      { color: '#9ef7c1' },
+  amendMeta:     { fontSize: '10px', color: '#555a7a', marginTop: '4px' },
+  row:     { display: 'flex', gap: '10px', justifyContent: 'flex-end', marginTop: '6px' },
+  btn:     (color, bg) => ({
+    padding: '8px 18px', borderRadius: '6px', fontWeight: 700, fontSize: '13px',
+    cursor: 'pointer', border: `1px solid ${color}`, color, background: bg || 'none',
+  }),
+  error: {
+    background: '#3c1114', border: '1px solid #f5c6cb', borderRadius: '6px',
+    padding: '10px 12px', fontSize: '12px', color: '#ffb3b8', marginBottom: '14px',
+  },
+};
+
+function fmtDt(iso) {
+  if (!iso) return '—';
+  return new Date(iso).toLocaleString('en-US', { timeZone: 'America/Chicago', dateStyle: 'medium', timeStyle: 'short' });
+}
+
+export default function AmendViolationModal({ violation, onClose, onSaved }) {
+  const [fields, setFields] = useState({
+    incident_time:  violation.incident_time  || '',
+    location:       violation.location       || '',
+    details:        violation.details        || '',
+    submitted_by:   violation.submitted_by   || '',
+    witness_name:   violation.witness_name   || '',
+  });
+  const [changedBy, setChangedBy]   = useState('');
+  const [saving, setSaving]         = useState(false);
+  const [error, setError]           = useState('');
+  const [amendments, setAmendments] = useState([]);
+
+  useEffect(() => {
+    axios.get(`/api/violations/${violation.id}/amendments`)
+      .then(r => setAmendments(r.data))
+      .catch(() => {});
+  }, [violation.id]);
+
+  const hasChanges = Object.entries(fields).some(
+    ([k, v]) => v !== (violation[k] || '')
+  );
+
+  const handleSave = async () => {
+    setError('');
+    setSaving(true);
+    try {
+      // Only send fields that actually changed
+      const patch = Object.fromEntries(
+        Object.entries(fields).filter(([k, v]) => v !== (violation[k] || ''))
+      );
+      await axios.patch(`/api/violations/${violation.id}/amend`, { ...patch, changed_by: changedBy || null });
+      onSaved();
+      onClose();
+    } catch (e) {
+      setError(e.response?.data?.error || 'Failed to save amendment');
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  const set = (field, value) => setFields(prev => ({ ...prev, [field]: value }));
+
+  return (
+    <div style={s.overlay} onClick={e => e.target === e.currentTarget && onClose()}>
+      <div style={s.modal}>
+        <div style={s.header}>
+          <div style={s.headerLeft}>
+            <div style={s.title}>Amend Violation</div>
+            <div style={s.subtitle}>
+              CPAS-{String(violation.id).padStart(5, '0')} · {violation.violation_name} · {violation.incident_date}
+            </div>
+          </div>
+          <button style={s.closeBtn} onClick={onClose}>✕</button>
+        </div>
+
+        <div style={s.body}>
+          <div style={s.notice}>
+            Only non-scoring fields can be amended. Point values, violation type, and incident date
+            are immutable — delete and re-submit if those need to change.
+          </div>
+
+          {error && <div style={s.error}>{error}</div>}
+
+          {Object.entries(FIELD_LABELS).map(([field, label]) => (
+            <div key={field}>
+              <div style={s.label}>{label}</div>
+              {field === 'details' ? (
+                <textarea
+                  style={s.textarea}
+                  value={fields[field]}
+                  onChange={e => set(field, e.target.value)}
+                />
+              ) : (
+                <input
+                  style={s.input}
+                  value={fields[field]}
+                  onChange={e => set(field, e.target.value)}
+                />
+              )}
+            </div>
+          ))}
+
+          <div style={s.label}>Your Name (recorded in amendment log)</div>
+          <input
+            style={s.input}
+            value={changedBy}
+            onChange={e => setChangedBy(e.target.value)}
+            placeholder="Optional but recommended"
+          />
+
+          <div style={s.row}>
+            <button style={s.btn('#888')} onClick={onClose}>Cancel</button>
+            <button
+              style={s.btn('#fff', hasChanges ? '#667eea' : '#333')}
+              onClick={handleSave}
+              disabled={!hasChanges || saving}
+            >
+              {saving ? 'Saving…' : 'Save Amendment'}
+            </button>
+          </div>
+
+          {amendments.length > 0 && (
+            <>
+              <div style={s.divider} />
+              <div style={s.sectionTitle}>Amendment History ({amendments.length})</div>
+              {amendments.map(a => (
+                <div key={a.id} style={s.amendRow}>
+                  <div style={s.amendField}>{FIELD_LABELS[a.field_name] || a.field_name}</div>
+                  <div>
+                    <span style={s.amendOld}>{a.old_value || '(empty)'}</span>
+                    <span style={{ color: '#555', marginRight: '6px' }}>→</span>
+                    <span style={s.amendNew}>{a.new_value || '(empty)'}</span>
+                  </div>
+                  <div style={s.amendMeta}>
+                    {a.changed_by ? `by ${a.changed_by} · ` : ''}{fmtDt(a.created_at)}
+                  </div>
+                </div>
+              ))}
+            </>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}